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Nevin Manimala Statistics

Board-certified pharmacy specialties: Growth from 2008 to 2020 and projections to 2025

Am J Health Syst Pharm. 2022 Sep 23:zxac243. doi: 10.1093/ajhp/zxac243. Online ahead of print.

ABSTRACT

DISCLAIMER: In an effort to expedite the publication of articles, AJHP is posting manuscripts online as soon as possible after acceptance. Accepted manuscripts have been peer-reviewed and copyedited, but are posted online before technical formatting and author proofing. These manuscripts are not the final version of record and will be replaced with the final article (formatted per AJHP style and proofed by the authors) at a later time.

PURPOSE: To track and analyze the growth of 12 Board of Pharmacy Specialties (BPS) specialties from 2008 to 2020 and, subject to criteria, to project specialty numbers through 2025. The analysis considered residency data and Bureau of Labor Statistics projections.

METHODS: BPS data were used to determine numeric growth, growth rates, and trends for 12 BPS specialties from 2008 to 2020. Specialties begun after 2008 were analyzed from their start date. For specialties with more than 2 data points and coefficients of determination greater than 0.80, we calculated projections through 2025. We also estimated the percentage of BPS-certified pharmacists with postgraduate year 1 training.

RESULTS: BPS-certified pharmacists grew in number from 3,004 (2008) to 41,802 (2020), an over 13-fold increase. Currently, 4 of the 5 largest specialties (pharmacotherapy, ambulatory care, oncology, and critical care) continue to grow at a fast rate. Pharmacotherapy experienced the largest numeric growth (20,624) despite the ongoing introduction of new specialties. Critical care and infectious diseases had the highest growth rates (both 32%). We were able to make projections for 10 of 12 specialties, with greater than 62,000 certifications projected by 2025. Growth to these projected levels will require more residencies and more certification preparation opportunities. Residency-trained BPS specialists currently constitute slightly less than 50% of the BPS-certified population.

CONCLUSION: Specialization in the pharmacy profession is growing at a rapid pace. As more clinical privileges are approved, the demand for more specialized pharmacists will likely continue to increase. Data from this study document the growth of the pharmacy specialty workforce. The data and analysis can be used to estimate potential pharmacist contributions across the healthcare spectrum in clinical areas where BPS-certified pharmacists practice.

PMID:36148562 | DOI:10.1093/ajhp/zxac243

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Nevin Manimala Statistics

Blinded sample size re-estimation for comparing over-dispersed count data incorporating follow-up lengths

Stat Med. 2022 Sep 23. doi: 10.1002/sim.9584. Online ahead of print.

ABSTRACT

Blinded sample size re-estimation (BSSR) is an adaptive design to prevent the power reduction caused by misspecifications of the nuisance parameters in the sample size calculation of comparative clinical trials. However, conventional BSSR methods used for overdispersed count data may not recover the power as expected under the misspecification of the working variance function introduced by the specified analysis model. In this article, we propose a BSSR method that is robust to the misspecification of the working variance function. A weighted estimator of the dispersion parameter for the BSSR is derived, where the weights are introduced to incorporate the difference in the distribution of follow-up length between the interim analysis with BSSR and the final analysis. Simulation studies demonstrated the power of the proposed BSSR method was relatively stable under misspecifications of the working variance function. An application to a hypothetical randomized clinical trial of a treatment to reduce exacerbation rate in patients with chronic obstructive pulmonary disease is provided.

PMID:36148560 | DOI:10.1002/sim.9584

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Association of ACE1 I/D rs1799752 and ACE2 rs2285666 polymorphisms with the infection and severity of COVID-19: A meta-analysis

Mol Genet Genomic Med. 2022 Sep 23:e2063. doi: 10.1002/mgg3.2063. Online ahead of print.

ABSTRACT

BACKGROUND: ACE1 I/D rs1799752 and ACE2 rs2285666 genetic polymorphisms could play a critical role in altering the clinical outcomes of SARS-CoV-2. The findings of previous studies remained inconclusive. This meta-analysis was performed to evaluate the association and provide a more reliable outcome.

METHODS: This study was completed following the updated recommendations of PRISMA using RevMan 5.4.1 statistical software.

RESULTS: A total of 11 studies with 950 severe cases and 1573 non-severe cases with COVID-19 infection were included. Pooled analysis showed that ACE1 I/D polymorphism was correlated with the severity of SARS-CoV-2 in the DD genotype and D allele for the fixed-effects model (OR:1.27 and OR:1.17). Besides, codominant 3, recessive, and allele models were associated with the severity of the fixed-effects model (OR:1.35, OR:1.37, and OR:1.20) in Caucasian ethnicity. ACE2 rs2285666 was linked with the severity in codominant 3 (OR:2.63, for both random- and fixed effects-models), overdominant (OR:1.97, for random-effects model and OR:1.97, for fixed effects-model), and recessive model (OR:0.41 for fixed- and random-effects model). Allele model of rs2285666 showed a significant association in the fixed-effects model (OR:1.61).

CONCLUSION: Our present meta-analysis suggests that ACE1 I/D rs1799752 and ACE2 rs2285666 variants may enhance the severity in SARS-CoV-2 infected patients. Future studies are warranted to verify our findings.

PMID:36148537 | DOI:10.1002/mgg3.2063

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Nevin Manimala Statistics

Both-Column Acetabular Fractures: Should Pelvic Ring Reduction or Acetabulum be Performed First?

Orthop Surg. 2022 Sep 23. doi: 10.1111/os.13493. Online ahead of print.

ABSTRACT

OBJECTIVE: Both-column acetabular fracture is a type that accumulates both the pelvis and acetabulum with complex fracture line alignment and has variant fracture fragments. The selection of different reduction landmarks and sequences produces different qualities of reduction. This study aims to compare the operation-related items, quality of reduction, and hip functional outcome by using different reduction landmarks and sequences for management of both-column acetabular fractures (BCAF).

METHODS: A consecutive cohort of 42 patients from January 2013 to January 2019 with BCAF were treated operatively with different reduction landmarks and sequences: pelvic ring fractures reduction first (PRFRF group) and acetabular fractures reduction first (AFRF group). Preoperative computer visual surgical procedures were applied. There were 22 patients in PRFRF group and 20 patients in AFRF group. The surgical details, complications, radiographic and clinical results were recorded. The quality of reduction was assessed by the Matta scoring system. The functional outcome was evaluated by the modified Merle d’Aubigné and Postel scoring system. The measurement data were analyzed using the t-test of independent samples and rank-sum test of ranked data.

RESULTS: The real reduction sequence in both groups was almost identical to the preoperative surgical procedures. The excellent/good quality of reduction in PRFRF group (21/22) was better than AFRF group (17/20). Operative time (152.3 ± 16.3 mins) and intra-operative blood loss (639.5 ± 109.9ml) were significantly reduced in PRFRF group (p < 0.05). The incidence of deep vein thrombosis in PRFRF group (2/22) was less than AFRF group (4/20), but without statistical signification.

CONCLUSION: Selection of an appropriate reduction landmark and sequence could result in better quality of reduction, operative time, and decreased blood loss during treatment of BCAF.

PMID:36148520 | DOI:10.1111/os.13493

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Increased Efficiency of Mitochondrial Coupling with a Reduction in Other Mitochondrial Respiratory Parameters in Peripheral Blood Mononuclear Cells is Observed in Older Adults

J Gerontol A Biol Sci Med Sci. 2022 Sep 23:glac201. doi: 10.1093/gerona/glac201. Online ahead of print.

ABSTRACT

Mitochondrial dysfunction is a factor potentially contributing to the aging process. However, evidence surrounding changes in mitochondrial function and aging is still limited, therefore this study aimed to investigate further the association between them. Possible confounding factors were included in the statistical analysis to explore the possibility of any independent associations. One thousand seven hundred and sixty-nine participants (619 middle-aged adults (age<65) and 1,150 older adults (age≥65)) from the Electricity Generating Authority of Thailand were enrolled onto the study. The clinical characteristics and medical history were collected. Peripheral blood mononuclear cells (PBMCs) were isolated from venous blood and used for analysis of mitochondrial function. Several parameters pertinent to mitochondrial respiration including non-mitochondrial respiration, basal respiration, maximal respiration, proton leak, and spare respiratory capacity were found to be two to three times lower in the mitochondria isolated from the cells of older adults. Interestingly, the mitochondrial ATP production was only slightly reduced, and the percentage of coupling efficiency of PBMC mitochondria was significantly higher in the older adult group. The mitochondrial mass and oxidative stress were significantly reduced in older adult participants, however, the ratio of oxidative stress to mass was significantly increased. The association of these parameters with age were still shown to be the same from the outcome of the multivariate analyses. The mitochondrial functions and mitochondrial mass in PBMCs were shown to decline in association with age. However, the upregulation of mitochondrial oxidative stress production and mitochondrial coupling efficiency might indicate a compensatory response in mitochondria during aging.

PMID:36148512 | DOI:10.1093/gerona/glac201

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Advantages and Short-Term Outcomes of Laparoscopic-Assisted Renal Surgery in Elderly Patients

Arch Esp Urol. 2022 Aug;75(6):539-543. doi: 10.56434/j.arch.esp.urol.20227506.79.

ABSTRACT

OBJECTIVE: To compare the perioperative results of adult and elderly patients undergoing laparoscopic renal surgery.

METHODOLOGY: Retrospective, analytical study. 448 who underwent kidney surgery for benign or malignant pathologies between 2011-2019 were included in the General Hospital of Mexico “Dr. Eduardo Liceaga”. They were categorized into two groups: Group 1 <60 years and Group 2 >60 years. Descriptive statistics and bivariate analysis were performed, the calculations were performed with 95% reliability and a value of p (<0.05).

RESULTS: In the group over 60 years of age, the following was found: Age: 67.1 years (60-83). IMC 28.3 kg/m2 (19-48.7). Intra and postsurgical outcomes: intraoperative bleeding = 184.4cc (5-1700). Surgical Time = 112.6min (30-240). Days of hospital stay = 2 (1-7). Complications in 2.6% (Clavien-Dindo: I = 2; II = 1), no conversion was required in any patient. There were no statistically significant differences with group 1, an exception for intraoperative bleeding.

CONCLUSIONS: Our study is a pioneer in Latin America in the evaluation of the geriatric population and outcomes with laparoscopic surgery and we recommend that renal procedures with a laparoscopic approach should be considered as the best strategy in the management of benign or malignant renal pathology in geriatric patients.

PMID:36138503 | DOI:10.56434/j.arch.esp.urol.20227506.79

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Nevin Manimala Statistics

Equity and efficiency of public hospitals’ health resource allocation in Guangdong Province, China

Int J Equity Health. 2022 Sep 22;21(1):138. doi: 10.1186/s12939-022-01741-1.

ABSTRACT

BACKGROUND: To better meet people’s growing demand for medical and health services, 21 cities in Guangdong Province were involved in the reform of public hospitals in 2017. This paper evaluates the equity and efficiency of public hospitals’ health resource allocation in Guangdong Province and explores ways to change the current situation.

METHODS: Data were collected from the Guangdong Health Statistical Yearbook 2016-2020 and Guangdong Statistical Yearbook 2017-2021. The Gini coefficient (G), Theil index (T), and health resource density index (HRDI) were used to measure the equity of health resource allocation. An improved three-stage DEA method was applied in efficiency evaluation. The entropy weight method was employed to calculate the weight of different indicators to obtain a comprehensive indicator representing the overall volume of health resources in each city. A two-dimensional matrix was drawn between the HRDI of the comprehensive indicator and efficiency and the per capita government financial subsidies and efficiency to observe the coordination of equity and efficiency across regions.

RESULTS: From 2016 to 2020, the G of public hospital, bed, and health technician allocation by population remained below 0.2, while that by geographical area ranged from 0.4 to 0.6; the G of government financial subsidies by population was above 0.4, while that by geographical area was greater than 0.7. The results for T showed that inequality mainly comes from intraregional differences, and the Pearl River Delta contributes most to the overall differences. Although the HRDI of the Pearl River Delta is far greater than that of other regions, obvious differences exist across cities in the region. Only 38.1% of cities were found to be efficient in 2020. The Pearl River Delta was in the first quadrant, and the other three regions were in the third quadrant, accounting for a large proportion.

CONCLUSION: The equity of government financial subsidies allocation was the worst, and there were distinct regional differences in the geographical distribution of health resources. The development of healthcare within the Pearl River Delta was highly unbalanced. The development of healthcare was uneven between the Pearl River Delta, eastern, western, and mountainous regions. In addition, most cities in the eastern, western, and mountainous regions bore the dual pressures of relatively insufficient health resources and inefficiency.

PMID:36138478 | DOI:10.1186/s12939-022-01741-1

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Detecting associated genes for complex traits shared across East Asian and European populations under the framework of composite null hypothesis testing

J Transl Med. 2022 Sep 23;20(1):424. doi: 10.1186/s12967-022-03637-8.

ABSTRACT

BACKGROUND: Detecting trans-ethnic common associated genetic loci can offer important insights into shared genetic components underlying complex diseases/traits across diverse continental populations. However, effective statistical methods for such a goal are currently lacking.

METHODS: By leveraging summary statistics available from global-scale genome-wide association studies, we herein proposed a novel genetic overlap detection method called CONTO (COmposite Null hypothesis test for Trans-ethnic genetic Overlap) from the perspective of high-dimensional composite null hypothesis testing. Unlike previous studies which generally analyzed individual genetic variants, CONTO is a gene-centric method which focuses on a set of genetic variants located within a gene simultaneously and assesses their joint significance with the trait of interest. By borrowing the similar principle of joint significance test (JST), CONTO takes the maximum P value of multiple associations as the significance measurement.

RESULTS: Compared to JST which is often overly conservative, CONTO is improved in two aspects, including the construction of three-component mixture null distribution and the adjustment of trans-ethnic genetic correlation. Consequently, CONTO corrects the conservativeness of JST with well-calibrated P values and is much more powerful validated by extensive simulation studies. We applied CONTO to discover common associated genes for 31 complex diseases/traits between the East Asian and European populations, and identified many shared trait-associated genes that had otherwise been missed by JST. We further revealed that population-common genes were generally more evolutionarily conserved than population-specific or null ones.

CONCLUSION: Overall, CONTO represents a powerful method for detecting common associated genes across diverse ancestral groups; our results provide important implications on the transferability of GWAS discoveries in one population to others.

PMID:36138484 | DOI:10.1186/s12967-022-03637-8

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Nevin Manimala Statistics

What is the Oral Health-related Quality of Life following Miniscrew-Assisted Rapid Palatal Expansion (MARPE)? A prospective clinical cohort study

BMC Oral Health. 2022 Sep 22;22(1):423. doi: 10.1186/s12903-022-02444-3.

ABSTRACT

BACKGROUND: Miniscrew-Assisted Rapid Palatal Expansion (MARPE) is a non-surgical orthodontic treatment for transverse maxillary deficiency. This study aimed to investigate the Oral Health-related Quality of Life (OHRQoL) and pain perception of patients undergoing MARPE treatment.

METHODS: 42 consecutive patients (9 men, 33 women) from the age of 16 onwards (mean: 27.4 ± 9.3 years; range 17.1-55.7 years) who received a MARPE treatment were included. OHRQoL was assessed with the short form of the Oral Health Impact Profile (OHIP-14) questionnaire. Patients filled out the questionnaire at baseline (T0) and weekly during the expansion phase (P1) and in the post-expansion phase (P2). Pain intensity was assessed with a Visual Analogue Scale (VAS) questionnaire and filled out daily during expansion, along with a question on the intake of analgesics. The mean weekly and total OHIP-score and OHIP-score per domain were calculated at T0, P1 and P2, as well as mean weekly and total VAS-scores for average pain, maximum pain and analgesics intake during P1. Kruskal-Wallis tests were used to test for differences in OHIP between T0, P1 and P2. The level of significance was set at 0.05.

RESULTS: The mean OHIP-score was 10.86 ± 9.71 at T0 and increased to 17.18 ± 10.43 during P1 (p < 0.001), after which it returned to pre-expansion levels, 9.27 ± 7.92 (p = 0.907) during P2. At the domain level, there was a statistically significant increase in OHIP-score at P1 for functional limitation, physical pain, psychological discomfort and social disability. The mean VAS-score for average pain during expansion was 16.00 ± 19.73 mm. Both OHIP-score (25.00 ± 10.25), average pain (33.72 ± 16.88 mm), maximum pain (44.47 ± 17.99 mm) and analgesics intake (59%) were highest at initiation of the expansion and decreased by the end of expansion.

CONCLUSIONS: MARPE is a generally well-tolerated expansion treatment. A temporary decline in OHRQoL and moderate pain are present at the start of expansion, followed by a recovery of OHRQoL and very mild pain during the rest of treatment. Clinicians should be aware of the effects of MARPE on patients’ quality of life and manage the expected discomfort and impediments with adequate communication and patient education.

PMID:36138473 | DOI:10.1186/s12903-022-02444-3

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Nevin Manimala Statistics

Population health trends analysis and burden of disease profile observed in Sierra Leone from 1990 to 2017

BMC Public Health. 2022 Sep 22;22(1):1801. doi: 10.1186/s12889-022-14104-w.

ABSTRACT

BACKGROUND: Sierra Leone, in West Africa, is one of the poorest developing countries in the world. Sierra Leone has experienced several recent challenges namely, a civil war from 1991 to 2002, a massive Ebola outbreak from 2014 to 2016, followed by floods and landslides in 2017.In this study, we quantified the burden of disease in Sierra Leone over a 27-year period, from 1990 to 2017.

METHODOLOGY: In this descriptive study, we analysed secondary data from the Institute of Health Metrics and Evaluation, Global Burden of Disease (GBD) study. We quantified patterns of burden of disease, injuries, and risk factors in Sierra Leone. We report GBD data and metrics including mortality rates, years of life lost and risk factors for all ages and both sexes from 1990 to 2017.

RESULTS: From 1990 to 2017, trends of mortality rates for all ages and sexes have declined in Sierra Leone although mortality rates remain some of the highest when compared to other developing countries. The burden of communicable, maternal, neonatal, and nutritional (CMNN) diseases are greater than the burden of non-communicable diseases (NCDs) due to the prevalence of endemic diseases in Sierra Leone. The most important CMNNs associated with premature mortality included respiratory infections, neglected tropical diseases, malaria, and HIV-Aids. Life expectancy has increased from 37 to 52 years.

CONCLUSION: Sierra Leone’s health status is gradually improving following the civil war and Ebola outbreak. Sierra Leone has a double burden of disease with CMNNs leading and NCDs progressively increasing. Despite these challenges, Sierra Leone has promising initiatives and programs pursuing the Universal Health Coverage 2030 Sustainable Developmental Goals Agenda. There is need for accountability of available resources, clear rules and expected roles for non-governmental organisations to ensure a level playing field for all actors to rebuild the health system.

PMID:36138457 | DOI:10.1186/s12889-022-14104-w