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Nevin Manimala Statistics

Anti-TPO antibody and thyroid hormone levels in Iranian female breast cancer patients and their association with prognostic factors: a case-control study

Eur J Transl Myol. 2023 Mar 16. doi: 10.4081/ejtm.2023.10675. Online ahead of print.

ABSTRACT

The aim of this study was to assess prevalence of anti-thyroid peroxidase (anti-TPO) antibody and thyroid hormones in Iranian female breast cancer patients, compare them to a control population, and investigate their association with prognostic factors. In this case-control study, breast cancer patients were selected from a surgery clinic in a tertiary hospital and control group participants were enrolled from those who had visited for mammography screening. Participants with any history of thyroid disease, or thyroid related medication were excluded from both groups. Groups were assessed for levels of thyroid stimulating hormone (TSH), T3, T4, and anti-TPO. In addition, the status of estrogen receptors (ER), progesterone receptors (PR), and human epidermal growth factor receptor 2 (HER2) was determined for cancer patients. Overall 69 participants (39 cancer patients and 30 controls) were included. Difference in serum anti-TPO levels between the two groups was not statistically significant (p-value: 0.184). While a significant difference was observed for T4 and TSH levels between groups (p-value: 0.034 and <0.001, respectively), T3 levels did not reveal any significant difference (p-value: 0.177). In addition, ER, PR, and HER2 status were not correlated with anti-TPO levels. This results can serve as preliminary evidence that thyroid autoimmunity is not correlated with breast cancer incidence in Iranian female population. However, additional studies with larger sample sizes are required for more conclusive evidence.

PMID:36924246 | DOI:10.4081/ejtm.2023.10675

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Prevalence and influences of diabetes and prediabetes among adults living with HIV in Africa: a systematic review and meta-analysis

J Int AIDS Soc. 2023 Mar;26(3):e26059. doi: 10.1002/jia2.26059.

ABSTRACT

INTRODUCTION: In people living with human immunodeficiency virus (PLHIV), traditional cardiovascular risk factors, exposure to HIV per se and antiretroviral therapy (ART) are assumed to contribute to cardiometabolic diseases. Nevertheless, controversy exists on the relationship of HIV and ART with diabetes. To clarify the relationship between HIV and type 2 diabetes, this review determined, in PLHIV in Africa, diabetes and prediabetes prevalence, and the extent to which their relationship was modified by socio-demographic characteristics, body mass index (BMI), diagnostic definitions used for diabetes and prediabetes, and HIV-related characteristics, including CD4 count, and use and duration of ART.

METHODS: For this systematic review and meta-analysis (PROSPERO registration CRD42021231547), a comprehensive search of major databases (PubMed-MEDLINE, Scopus, Web of Science, Google Scholar and WHO Global Health Library) was conducted. Original research articles published between 2000 and 2021 in English and French were included, irrespective of study design, data collection techniques and diagnostic definitions used. Observational studies comprising at least 30 PLHIV and reporting on diabetes and/or prediabetes prevalence in Africa were included. Study-specific estimates were pooled using random effects models to generate the overall prevalence for each diagnostic definition. Data analyses used R statistical software and “meta” package.

RESULTS: Of the 2614 records initially screened, 366 full-text articles were assessed for eligibility and 61 were selected. In the systematic review, all studies were cross-sectional by design and clinic-based, except for five population-based studies. Across studies included in the meta-analysis, the proportion of men was 16-84%. Mean/median age was 30-62 years. Among 86,412 and 7976 participants, diabetes and prediabetes prevalence rates were 5.1% (95% CI: 4.3-5.9) and 15.1% (9.7-21.5). Self-reported diabetes (3.5%) was lower than when combined with biochemical assessments (6.2%; 7.2%).

DISCUSSION: While not statistically significant, diabetes and prediabetes were higher with greater BMI, in older participants, urban residents and more recent publications. Diabetes and prediabetes were not significantly different by HIV-related factors, including CD4 count and ART.

CONCLUSIONS: Although HIV-related factors did not modify prevalence, the diabetes burden in African PLHIV was considerable with suboptimal detection, and likely influenced by traditional risk factors. Furthermore, high prediabetes prevalence foreshadows substantial increases in future diabetes in African PLHIV.

PMID:36924213 | DOI:10.1002/jia2.26059

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Understanding Barriers to Timely Diagnosis and Intervention Among Immigrant Children With Hearing Loss

Otolaryngol Head Neck Surg. 2023 Mar 16. doi: 10.1002/ohn.322. Online ahead of print.

ABSTRACT

OBJECTIVE: Identify the age at diagnosis and intervention of immigrant and/or non-English-speaking children with hearing loss (HL) and risk factors associated with delays. Identify barriers for non-English-speaking caregivers of deaf/hard-of-hearing children.

STUDY DESIGN: Sequential mixed methods.

SETTING: Tertiary care center in an urban city.

METHODS: The analysis includes descriptive statistics, and 1-way and 2-way analysis of variance of the retrospective chart review. The quantitative study demonstrated foreign-born experienced disparities, so we conducted semistructured interviews on a subset of non-English-speaking families in the cohort that was then thematically analyzed using a human-centered design strategy.

RESULTS: We divided 532 children into 3 groups: US-born with English as the preferred language (N = 294), US-born and non-English language preferred (N = 173), and foreign-born (N = 67). The laterality of HL and pure-tone averages were similar among the groups (p = .972 and .071, respectively). Age at diagnosis and time to the intervention were significantly different (39.7, 31.5, 75.8 months, p < .001 and 24.6, 29.2, 48.9 months, p = .001, respectively). Ages at diagnosis and intervention were associated with birthplace (p = .005, p = .0005, respectively) but not preferred language (p = .667, p = .343, respectively). Included in the qualitative interviews were Mandarin- (n = 5), Arabic- (n = 4), and Spanish-speaking families (n = 3). Insights revealed participants’ quest for anticipatory guidance and social support, the consequences of cultural stigma, and the complexity of caring for a child with HL in an immigrant family.

CONCLUSION: Foreign-born children with HL have significant delays in diagnosis and intervention compared to US-born children. For non-English-speaking parents, the diagnosis of HL presents challenges beyond that of the immigrant experience.

PMID:36924195 | DOI:10.1002/ohn.322

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Harms Reporting in Systematic Reviews of the Microvascular Free Flap in Head and Neck Reconstruction

Otolaryngol Head Neck Surg. 2023 Mar 16. doi: 10.1002/ohn.321. Online ahead of print.

ABSTRACT

OBJECTIVE: To evaluate harms reporting in systematic reviews (SRs) of microvascular free flap (MFF) in head and neck reconstruction.

DATA SOURCES: This cross-sectional analysis included searches from the following major databases from 2012 to June 1, 2022: MEDLINE (Pubmed and Ovid), Embase, Epistemonikos, and the Cochrane Database of Systematic Reviews.

REVIEW METHODS: In a masked duplicate manner, screening was performed using Rayyan, and data were extracted using a pilot-tested Google form. A MeaSurement Tool to Assess systematic Reviews-2 (AMSTAR-2) was used to appraise the methodological quality of reviews and the corrected covered area was calculated to detect primary study overlap across all reviews. Reviews were then grouped in pairs of 2, called dyads, and the corrected covered area was calculated again for each individual dyad. Dyads with high overlap (≥50%) were further investigated for the accuracy of harms reporting.

RESULTS: Our initial search yielded 268 records, with 50 SRs meeting the inclusion criteria. A total of 46 (92%) of the included reviews demonstrated 50% or more adherence to the items assessed in our harms checklist. Our corrected covered area tool revealed 0.6% primary study overlap across all reviews, and 1 dyad with high overlap (≥50%). No statistically significant relationship was observed between the completeness of harms reporting and reviews listing harms as a primary outcome, reviews reporting adherence to Preferred Reporting Items of Systematic Reviews and Meta-Analyses, or a review’s AMSTAR rating.

CONCLUSION: This study identifies how harms reporting in SRs of MFF reconstruction of the head and neck can be improved and provides suggestions with the potential to mitigate the paucity in current literature.

PMID:36924192 | DOI:10.1002/ohn.321

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Use of cast immobilization versus removable brace in adults with an ankle fracture: two-year follow-up of a multicentre randomized controlled trial

Bone Joint J. 2023 Mar 15;105-B(4):382-388. doi: 10.1302/0301-620X.105B4.BJJ-2022-0602.R3.

ABSTRACT

The aim of this study was to compare the longer-term outcomes of operatively and nonoperatively managed patients treated with a removable brace (fixed-angle removable orthosis) or a plaster cast immobilization for an acute ankle fracture. This is a secondary analysis of a multicentre randomized controlled trial comparing adults with an acute ankle fracture, initially managed either by operative or nonoperative care. Patients were randomly allocated to receive either a cast immobilization or a fixed-angle removable orthosis (removable brace). Data were collected on baseline characteristics, ankle function, quality of life, and complications. The Olerud-Molander Ankle Score (OMAS) was the primary outcome which was used to measure the participant’s ankle function. The primary endpoint was at 16 weeks, with longer-term follow-up at 24 weeks and two years. Overall, 436 patients (65%) completed the final two-year follow-up. The mean difference in OMAS at two years was -0.3 points favouring the plaster cast (95% confidence interval -3.9 to 3.4), indicating no statistically significant difference between the interventions. There was no evidence of differences in patient quality of life (measured using the EuroQol five-dimension five-level questionnaire) or Disability Rating Index. This study demonstrated that patients treated with a removable brace had similar outcomes to those treated with a plaster cast in the first two years after injury. A removable brace is an effective alternative to traditional immobilization in a plaster cast for patients with an ankle fracture.

PMID:36924175 | DOI:10.1302/0301-620X.105B4.BJJ-2022-0602.R3

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Neurological recovery after early versus delayed surgical decompression for acute traumatic spinal cord injury

Bone Joint J. 2023 Mar 15;105-B(4):400-411. doi: 10.1302/0301-620X.105B4.BJJ-2022-0947.R2.

ABSTRACT

The aim of this study was to determine whether early surgical treatment results in better neurological recovery 12 months after injury than late surgical treatment in patients with acute traumatic spinal cord injury (tSCI). Patients with tSCI requiring surgical spinal decompression presenting to 17 centres in Europe were recruited. Depending on the timing of decompression, patients were divided into early (≤ 12 hours after injury) and late (> 12 hours and < 14 days after injury) groups. The American Spinal Injury Association neurological (ASIA) examination was performed at baseline (after injury but before decompression) and at 12 months. The primary endpoint was the change in Lower Extremity Motor Score (LEMS) from baseline to 12 months. The final analyses comprised 159 patients in the early and 135 in the late group. Patients in the early group had significantly more severe neurological impairment before surgical treatment. For unadjusted complete-case analysis, mean change in LEMS was 15.6 (95% confidence interval (CI) 12.1 to 19.0) in the early and 11.3 (95% CI 8.3 to 14.3) in the late group, with a mean between-group difference of 4.3 (95% CI -0.3 to 8.8). Using multiply imputed data adjusting for baseline LEMS, baseline ASIA Impairment Scale (AIS), and propensity score, the mean between-group difference in the change in LEMS decreased to 2.2 (95% CI -1.5 to 5.9). Compared to late surgical decompression, early surgical decompression following acute tSCI did not result in statistically significant or clinically meaningful neurological improvements 12 months after injury. These results, however, do not impact the well-established need for acute, non-surgical tSCI management. This is the first study to highlight that a combination of baseline imbalances, ceiling effects, and loss to follow-up rates may yield an overestimate of the effect of early surgical decompression in unadjusted analyses, which underpins the importance of adjusted statistical analyses in acute tSCI research.

PMID:36924174 | DOI:10.1302/0301-620X.105B4.BJJ-2022-0947.R2

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Which treatment provides the best neurological outcomes in acute spinal cord injury?

Bone Joint J. 2023 Mar 15;105-B(4):347-355. doi: 10.1302/0301-620X.105B4.BJJ-2023-0111.

ABSTRACT

Initial treatment of traumatic spinal cord injury remains as controversial in 2023 as it was in the early 19th century, when Sir Astley Cooper and Sir Charles Bell debated the merits or otherwise of surgery to relieve cord compression. There has been a lack of high-class evidence for early surgery, despite which expeditious intervention has become the surgical norm. This evidence deficit has been progressively addressed in the last decade and more modern statistical methods have been used to clarify some of the issues, which is demonstrated by the results of the SCI-POEM trial. However, there has never been a properly conducted trial of surgery versus active conservative care. As a result, it is still not known whether early surgery or active physiological management of the unstable injured spinal cord offers the better chance for recovery. Surgeons who care for patients with traumatic spinal cord injuries in the acute setting should be aware of the arguments on all sides of the debate, a summary of which this annotation presents.

PMID:36924170 | DOI:10.1302/0301-620X.105B4.BJJ-2023-0111

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Primary knee arthroplasty for osteoarthritis restores patients’ health-related quality of life to normal population levels

Bone Joint J. 2023 Mar 15;105-B(4):365-372. doi: 10.1302/0301-620X.105B4.BJJ-2022-0659.R1.

ABSTRACT

This study investigates whether primary knee arthroplasty (KA) restores health-related quality of life (HRQoL) to levels expected in the general population. This retrospective case-control study compared HRQoL data from two sources: patients undergoing primary KA in a university-teaching hospital (2013 to 2019), and the Health Survey for England (HSE; 2010 to 2012). Patient-level data from the HSE were used to represent the general population. Propensity score matching was used to balance covariates and facilitate group comparisons. A propensity score was estimated using logistic regression based upon the covariates sex, age, and BMI. Two matched cohorts with 3,029 patients each were obtained for the adjusted analyses (median age 70.3 (interquartile range (IQR) 64 to 77); number of female patients 3,233 (53.4%); median BMI 29.7 kg/m2 (IQR 26.5 to 33.7)). HRQoL was measured using the three-level version of the EuroQol five-dimension questionnaire (EQ-5D-3L), and summarized using the Index and EuroQol visual analogue scale (EQ-VAS) scores. Patients awaiting KA had significantly lower EQ-5D-3L Index scores than the general population (median 0.620 (IQR 0.16 to 0.69) vs median 0.796 (IQR 0.69 to 1.00); p < 0.001). By one year postoperatively, the median EQ-5D-3L Index score improved significantly in the KA cohort (mean change 0.32 (SD 0.33); p < 0.001), and demonstrated no clinically relevant differences when compared to the general population (median 0.796 (IQR 0.69 to 1.00) vs median 0.796 (IQR 0.69 to 1.00)). Compared to the general population cohort, the postoperative EQ-VAS was significantly higher in the KA cohort (p < 0.001). Subgroup comparisons demonstrated that older age groups had statistically better EQ-VAS scores than matched peers in the general population. Patients awaiting KA for osteoarthritis had significantly poorer HRQoL than the general population. However, within one year of surgery, primary KA restored HRQoL to levels expected for the patient’s age-, BMI-, and sex-matched peers.

PMID:36924161 | DOI:10.1302/0301-620X.105B4.BJJ-2022-0659.R1

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Pragmatic randomized controlled trial of the Mind Management Skills for Life Programme as an intervention for occupational burnout in mental healthcare professionals

J Ment Health. 2023 Mar 16:1-9. doi: 10.1080/09638237.2023.2182423. Online ahead of print.

ABSTRACT

BACKGROUND: Occupational burnout is highly prevalent in the mental healthcare workforce and associated with poorer job satisfaction, performance and outcomes.

AIMS: To evaluate the effects of the Mind Management Skills for Life Programme on burnout and wellbeing.

METHODS: N = 173 mental health nurses were recruited from the English National Health Service during the acute phase of the COVID-19 crisis. Participants were allocated to an immediate intervention or a delayed intervention control group, using a stepped wedge randomized controlled trial design. Measures of burnout (OLBI) and wellbeing (WEMWBS) were completed at four time-points: [1] baseline; [2] after the first group finished the intervention; [3] after the second group finished the intervention; and [4] six-months follow-up.

RESULTS: Between-group differences were compared at each time-point using ANCOVA adjusting for baseline severity. Statistically significant effects on burnout (d = 0.60) and wellbeing (d = -0.62) were found at time-point 2, favouring the intervention relative to waitlist control. No significant differences were found at subsequent time-points, indicating that both groups improved and maintained their gains after the intervention.

CONCLUSIONS: This intervention led to moderate improvements in burnout and wellbeing, despite the adverse circumstances of the COVID-19 pandemic at the time of the study.

PMID:36924140 | DOI:10.1080/09638237.2023.2182423

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All-cause mortality risk with different metabolic abdominal obesity phenotypes: the Rural Chinese Cohort Study

Br J Nutr. 2023 Mar 16:1-21. doi: 10.1017/S0007114523000673. Online ahead of print.

ABSTRACT

We aimed to investigate the association of metabolic obesity phenotypes with all-cause mortality risk in a rural Chinese population. This prospective cohort study enrolled 15,704 Chinese adults (38.86% men) with a median age of 51.00 (IQR: 41.00-60.00) at baseline (2007-2008) and followed up during 2013-2014. Obesity was defined by waist circumference (WC: ≥90 cm for men and ≥80 cm for women) or waist-to-height ratio (WHtR: ≥0.5). The hazard ratio (HR) and 95% confidence interval (CI) for risk of all-cause mortality related to metabolic obesity phenotypes were calculated using the Cox hazards regression model. During a median follow-up of 6.01 years, 864 deaths were identified. When obesity was defined by WC, the prevalence of participants with metabolically healthy non-obesity (MHNO), metabolically healthy obesity (MHO), metabolically unhealthy non-obesity (MUNO), and metabolically unhealthy obesity (MUO) at baseline was 12.12%, 2.80%, 41.93%, and 43.15%, respectively. After adjusting for age, sex, alcohol drinking, smoking, physical activity, and education, the risk of all-cause mortality was higher with both MUNO (HR = 1.20, 95% CI 1.14-1.26) and MUO (HR = 1.20, 95% CI 1.13-1.27) versus MHNO, but the risk was not statistically significant with MHO (HR = 0.99, 95% CI 0.89-1.10), this result remained consistent when stratified by sex. Defining obesity by WHtR gave similar results. MHO does not suggest a greater risk of all-cause mortality compared to MHNO, but participants with metabolic abnormality, with or without obesity, have a higher risk of all-cause mortality. These results should be cautiously interpreted as the representation of MHO is small.

PMID:36924137 | DOI:10.1017/S0007114523000673