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Nevin Manimala Statistics

Incidence and mortality of infective endocarditis in the last decade: a single center study

J Cardiovasc Med (Hagerstown). 2022 Dec 23. doi: 10.2459/JCM.0000000000001410. Online ahead of print.

ABSTRACT

BACKGROUND: Infective endocarditis (IE) is a significant disease characterized by high mortality and complications. The aim of this study was to evaluate the incidence/100 000 inhabitants and the in-hospital mortality/100 000 inhabitants of IE during the last 10 years in the province of Ravenna.

METHODS AND RESULTS: We reviewed the public hospitals discharge database from January 2010 to December 2020 using the international classification of disease codification (ICD-9) for IE. We used the Italian national statistical institute (ISTAT) archive to estimate the number of Ravenna inhabitants/year. In 10 years, we identified a total of 407 patients with diagnosis of IE.The incidence of IE increased significantly from 6.29 cases/100 000 inhabitants in 2010 to 19.58 cases/100 000 inhabitants in 2020 (P < 0.001). Also, the in-hospital mortality from IE increased over the same number of years, from 1.8 deaths/100 000 inhabitants in 2010 to 4.4 deaths/100 000 inhabitants in 2020 (P < 0.001). The mortality rate (%) of IE over the years did not increase (P = 0.565). Also, over the years there was no difference in the site of infection (P = 0.372), irrespective of the valve localization or type, native valve (P = 0.347) or prosthetic valve (P = 0.145). On logistic regression analysis, age was the only predictor of in-hospital mortality (odds ratio 1.045, 95% confidence interval: 1.015; 1.075, P = 0.003).

CONCLUSIONS: Ravenna-based data on IE showed increased disease incidence but unchanged mortality rate over 10 years of follow-up. Age remains the sole predictor of population-based mortality, irrespective of the nature of the valve, native or substitute, and the organism detected on microbiology.

PMID:36574285 | DOI:10.2459/JCM.0000000000001410

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The Role of Access Type and Age Group in the Breadth of Use of Patient Portals: Observational Study

J Med Internet Res. 2022 Dec 27;24(12):e41972. doi: 10.2196/41972.

ABSTRACT

BACKGROUND: Health care delivery and patient satisfaction are improved when patients engage with their medical information through patient portals. Despite their wide availability and multiple functionalities, patient portals and their functionalities are still underused.

OBJECTIVE: We seek to understand factors that lead to patient engagement through multiple portal functionalities. We provide recommendations that could lead to higher patients’ usage of their portals.

METHODS: Using data from the Health Information National Trends Survey 5, Cycle 3 (N=2093), we performed descriptive statistics and used a chi-square test to analyze the association between the demographic variables and the use of mobile health apps for accessing medical records. We further fitted a generalized linear model to examine the association between access type and the use of portal functionalities. We further examined the moderation effects of age groups on the impact of access type on portal usage.

RESULTS: Our results show that accessing personal health records using a mobile health app is positively associated with greater patient usage of access capabilities (β=.52; P<.001), patient-provider interaction capabilities (β=.24, P=.006), and patient-personal health information interaction capabilities (β=.23, P=.009). Patients are more likely to interact with their records and their providers when accessing their electronic medical records using a mobile health app. The impacts of mobile health app usage fade with age for tasks consisting of viewing, downloading, and transmitting medical results to a third party (β=-.43, P=.005), but not for those involving patient-provider interaction (β=.05, P=.76) or patient-personal health information interaction (β=-.15, P=.19).

CONCLUSIONS: These findings provide insights on how to increase engagement with diverse portal functionalities for different age groups and thus improve health care delivery and patient satisfaction.

PMID:36574284 | DOI:10.2196/41972

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Risk of anterior cruciate ligament injury in population with elevated body mass index

Med Glas (Zenica). 2023 Feb 1;20(1). doi: 10.17392/1517-22. Online ahead of print.

ABSTRACT

Aim Anterior cruciate ligament (ACL) injury is among the most common orthopaedic injuries. The elevated body mass index (BMI) can contribute to non-contact ACL injury. This study aims to assess the risk of ACL injury among elevated BMI population people (BMI ≥25 Kgm2 ). Methods This is a cross sectional study that was conducted in a tertiary care centre in the Kingdom of Saudi Arabia. A total of 302 patients, who had an ACL reconstruction surgery in a ten-year-period (January 2008 to December 2018) were included. Results Sport related injury is significantly higher among the overweight and obese groups (p=0.002). Moreover, the combined ACL tear was higher among the overweight and obese groups (p=0.001). In univariate regression analysis for the selected baseline characteristics, it was found that individuals with higher BMI have chance to develop combined (ACL) injury 2 times higher when compared to those with isolated ACL injury (p=0.003). Also, the ACL type, mode of injury, types of injury and type of sports were statistically significant in univariate regression analysis. However, only the mode of injury was statistically significant after controlling the confounding factors. Other selected variables like type of sport, type of injury and ACL type were not significant. Conclusion Elevated BMI was associated with a higher risk of developing combined ACL tear as well as reinjured individuals.

PMID:36574270 | DOI:10.17392/1517-22

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Nevin Manimala Statistics

Development and Validation of a Machine Learning Model to Estimate Risk of Adverse Outcomes Within 30 Days of Opioid Dispensation

JAMA Netw Open. 2022 Dec 1;5(12):e2248559. doi: 10.1001/jamanetworkopen.2022.48559.

ABSTRACT

IMPORTANCE: Machine learning approaches can assist opioid stewardship by identifying high-risk opioid prescribing for potential interventions.

OBJECTIVE: To develop a machine learning model for deployment that can estimate the risk of adverse outcomes within 30 days of an opioid dispensation as a potential component of prescription drug monitoring programs using access to real-world data.

DESIGN, SETTING, AND PARTICIPANTS: This prognostic study used population-level administrative health data to construct a machine learning model. This study took place in Alberta, Canada (from January 1, 2018, to December 31, 2019), and included all patients 18 years and older who received at least 1 opioid dispensation from a community pharmacy within the province.

EXPOSURES: Each opioid dispensation served as the unit of analysis.

MAIN OUTCOMES AND MEASURES: Opioid-related adverse outcomes were identified from administrative data sets. An XGBoost model was developed on 2018 data to estimate the risk of hospitalization, an emergency department visit, or mortality within 30 days of an opioid dispensation; validation on 2019 data was done to evaluate model performance. Model discrimination, calibration, and other relevant metrics are reported using daily and weekly predictions on both ranked predictions and predicted probability thresholds using all data from 2019.

RESULTS: A total of 853 324 participants represented 6 181 025 opioid dispensations, with 145 016 outcome events reported (2.3%); 46.4% of the participants were men and 53.6% were women, with a mean (SD) age of 49.1 (15.6) years for men and 51.0 (18.0) years for women. Of the outcome events, 77 326 (2.6% pretest probability) occurred within 30 days of a dispensation in the validation set (XGBoost C statistic, 0.82 [95% CI, 0.81-0.82]). The top 0.1 percentile of estimated risk had a positive likelihood ratio (LR) of 28.7, which translated to a posttest probability of 43.1%. In our simulations, the weekly measured predictions had higher positive LRs in both the highest-risk dispensations and percentiles of estimated risk compared with predictions measured daily. Net benefit analysis showed that using machine learning prediction may not add additional benefit over the entire range of probability thresholds.

CONCLUSIONS AND RELEVANCE: These findings suggest that prescription drug monitoring programs can use machine learning classifiers to identify patients at risk of opioid-related adverse outcomes and intervene on high-risk ranked predictions. Better access to available administrative and clinical data could improve the prediction performance of machine learning classifiers and thus expand opioid stewardship efforts.

PMID:36574245 | DOI:10.1001/jamanetworkopen.2022.48559

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Nevin Manimala Statistics

Association Between Antiepileptic Drugs and Incident Parkinson Disease in the UK Biobank

JAMA Neurol. 2022 Dec 27. doi: 10.1001/jamaneurol.2022.4699. Online ahead of print.

ABSTRACT

IMPORTANCE: Recent studies have highlighted an association between epilepsy and Parkinson disease (PD). The role of antiepileptic drugs (AEDs) has not been explored.

OBJECTIVE: To investigate the association between AEDs and incident PD.

DESIGN, SETTING, AND PARTICIPANTS: This nested case-control study started collecting data from the UK Biobank (UKB) in 2006, and data were extracted on June 30, 2021. Individuals with linked primary care prescription data were included. Cases were defined as individuals with a Hospital Episode Statistics (HES)-coded diagnosis of PD. Controls were matched 6:1 for age, sex, race and ethnicity, and socioeconomic status. Prescription records were searched for AEDs prescribed prior to diagnosis of PD. The UKB is a longitudinal cohort study with more than 500 000 participants; 45% of individuals in the UKB have linked primary care prescription data. Participants living in the UK aged between 40 and 69 years were recruited to the UKB between 2006 and 2010. All participants with UKB-linked primary care prescription data (n = 222 106) were eligible for enrollment in the study. Individuals with only a self-reported PD diagnosis or missing data for the matching variables were excluded. In total, 1477 individuals were excluded; 49 were excluded due to having only self-reported PD, and 1428 were excluded due to missing data.

EXPOSURES: Exposure to AEDs (carbamazepine, lamotrigine, levetiracetam, and sodium valproate) was defined using routinely collected prescription data derived from primary care.

MAIN OUTCOMES AND MEASURES: Odd ratios and 95% CIs were calculated using adjusted logistic regression models for individuals prescribed AEDs before the first date of HES-coded diagnosis of PD.

RESULTS: In this case-control study, there were 1433 individuals with an HES-coded PD diagnosis (cases) and 8598 controls in the analysis. Of the 1433 individuals, 873 (60.9%) were male, 1397 (97.5%) had their race and ethnicity recorded as White, and their median age was 71 years (IQR, 65-75 years). An association was found between AED prescriptions and incident PD (odds ratio, 1.80; 95% CI, 1.35-2.40). There was a trend for a greater number of prescription issues and multiple AEDs being associated with a greater risk of PD.

CONCLUSIONS AND RELEVANCE: This study, the first to systematically look at PD risk in individuals prescribed the most common AEDs, to our knowledge, found evidence of an association between AEDs and incident PD. With the recent literature demonstrating an association between epilepsy and PD, this study provides further insights.

PMID:36574240 | DOI:10.1001/jamaneurol.2022.4699

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Demand and Supply: Association between Pediatric Ethics Consultation Volume and Protected Time for Ethics Work

AJOB Empir Bioeth. 2022 Dec 27:1-8. doi: 10.1080/23294515.2022.2160512. Online ahead of print.

ABSTRACT

BACKGROUND: Despite national increase in pediatric ethics consultation volume over the past decade, protected time and resources for healthcare ethics consultancy work has lagged.

METHODS: Correlation study investigating potential associations between ethics consult volume reported by recent national survey of consultants at children’s hospitals and five programmatic domains.

RESULTS: 104 children’s hospitals in 45 states plus Washington DC were included. There was not a statistically significant association between pediatric ethics consult volume and hospital size, rurality of patient population, or number of consultants. Academically-affiliated children’s hospitals had fewer ethics consults compared to nonacademically affiliated. Association was found between full-time equivalent (FTE) hours and number of ethics consults (p < 0.0001). Spearman rank correlation between ethics consult volume and FTE was 0.5.

CONCLUSIONS: While the results of this study should be interpreted with caution, investment in protected time for ethics consultancy work may translate into increased volume of pediatric ethics consults.

PMID:36574230 | DOI:10.1080/23294515.2022.2160512

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Nevin Manimala Statistics

Chlamydia trachomatis prevalence in females in São Paulo, Brazil: 11 years’ surveillance of the infection

Braz J Microbiol. 2022 Dec 27. doi: 10.1007/s42770-022-00865-4. Online ahead of print.

ABSTRACT

BACKGROUND: Chlamydia trachomatis (CT) infection is the most prevalent sexually transmitted bacterial disease worldwide whose greatest impact is on the female reproductive system. The objective was to assess the prevalence of Chlamydia infection in a large population of female patients from a private health service in São Paulo (Brazil), identifying the main age groups affected by the agent and the evolution of the prevalence.

METHODS: A cross-sectional study was conducted based on the results of all molecular biology tests. The tests were carried out between January 2005 and December 2015. The positivity of test results was determined by year and age group.

RESULTS: A total of 85,292 patients who performed 103,576 tests for Chlamydia were considered eligible for the statistical data. The overall prevalence of C. trachomatis infection in the study population was 2.2% (95% CI: 2.07-2.25). A higher prevalence of infection was observed in the ≤ 25 years and ≤ 30 years age groups, with rates of 6.0% (95% CI: 5.59-6.35) and 4.4% (95% CI: 4.08-4.50), respectively. There was a significant increase in the positivity of the exams over time, especially in the ≤ 35 years age group. The prevalence at 26-30 years was 3.1% (95% CI: 2.82-3.30); 31-35 years 1.7% (95% CI: 1.50-1.82); 36-40 years 1.0% (95% CI: 0.86-1.16); 41-60 years 0.6% (95% CI: 0.50-0.70) and the prevalence at ≥ 61 years was 0.4% (95% CI: 0.11-0.75).

CONCLUSION: The screening of asymptomatic young women would have the potential to reduce infection, transmission, and sequelae of infection by this agent.

PMID:36574206 | DOI:10.1007/s42770-022-00865-4

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Absolute Hyperglycemia versus Stress Hyperglycemia Ratio for the Prognosis of Hospitalized Patients with COVID-19 in the First Months of the Pandemic: A Retrospective Study

Diabetes Ther. 2022 Dec 27. doi: 10.1007/s13300-022-01347-4. Online ahead of print.

ABSTRACT

Diabetes is a risk factor for greater severity of coronavirus disease 2019 (COVID-19). The stress hyperglycemia ratio (SHR) is an independent predictor of critical illness, and it is reported to have a stronger association than absolute hyperglycemia. The aim of this study was to assess the relationship of absolute hyperglycemia and SHR with the severity of COVID-19, since there are no studies investigating SHR in patients with COVID-19. We conducted a retrospective observational study on hospitalized patients with COVID-19 in the first months of the pandemic, regarding absolute hyperglycemia, SHR, and severity outcomes. Of the 374 patients, 28.1% had a previous diagnosis of type 2 diabetes. Absolute hyperglycemia (64.8% versus 22.7%; p < 0.01) and SHR [1.1 (IQR 0.9-1.3) versus 1.0 (IQR 0.9-1.2); p < 0.001] showed a statistically significant association with previous diabetes. Absolute hyperglycemia showed a significant association with clinical severity of COVID-19 (79.0% versus 62.7%; p < 0.001), need for oxygen therapy (74.8% versus 54.4%; p < 0.001), invasive mechanical ventilation (28.6% versus 11.6%; p < 0.001), and intensive care unit (30.3% versus 14.9%; p = 0.002), but not with mortality; by contrast, there was no statistically significant association between SHR and all these parameters. Our results are in agreement with the literature regarding the impact of absolute hyperglycemia on COVID-19 severity outcomes, while SHR was not a significant marker. We therefore suggest that SHR should not be evaluated in all patients admitted in the hospital for COVID-19, and we encourage the standard measures at admission of blood glucose and HbA1c levels.

PMID:36574200 | DOI:10.1007/s13300-022-01347-4

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Ease of Use of the iGlarLixi SoloStar Pen from the LixiLan ONE CAN Pen Sub-Study: Questionnaire Findings from People Living with Type 2 Diabetes and Their HealthCare Providers

Diabetes Ther. 2022 Dec 27. doi: 10.1007/s13300-022-01353-6. Online ahead of print.

ABSTRACT

INTRODUCTION: For people with type 2 diabetes mellitus who do not achieve glycated hemoglobin A1C targets after treatment with basal insulin therapies, additional therapy with a glucagon-like peptide-1 receptor agonist (GLP-1 RA) may be required. One option is to use a once-daily fixed-ratio combination (FRC) of basal insulin and a GLP-1 RA such as iGlarLixi (which is composed of insulin glargine 100 U/ml and lixisenatide). However, the ease of transitioning from basal insulin to an FRC has not been studied.

METHODS: This sub-study of the LixiLan ONE CAN trial (NCT03767543) was conducted to assess the ease of transitioning from insulin glargine 100 U/ml to the FRC, iGlarLixi, using the iGlarLixi SoloStar® pen. Patients completed a validated, ten-item questionnaire, and healthcare professionals (HCPs) completed a five-item questionnaire. Both questionnaires used either five-point Likert scales or yes/no answers as appropriate, and both were completed after 4 weeks of using the iGlarLixi SoloStar pen.

RESULTS: Overall, 95.1% of patients reported that the iGlarLixi Solostar pen was “easy” or “very easy” to use. Similarly, 100% of HCPs reported that it was “easy” or “very easy” to train people to use the pen. Nearly all participants (97.5% of patients and 94% of HCPs) responded that they would recommend the iGlarLixi Solostar pen to others.

CONCLUSIONS: These results suggest that during the transition from insulin glargine 100 U/ml to iGlarLixi, there were no difficulties associated with using the iGlarLixi SoloStar pen injector regarding instruction for use by HCPs or actual use by the majority of patients. The results indicate a broad consensus between patients and HCPs on the relative simplicity of transitioning from self-administration of insulin glargine 100 U/ml to iGlarLixi.

TRIAL REGISTRATION: ClinicalTrials.gov identifier, NCT03767543; Date of registration: December 6, 2018; Retrospectively registered.

PMID:36574199 | DOI:10.1007/s13300-022-01353-6

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Safety Assessment of the Potential Probiotic Bacterium Limosilactobacillus fermentum J23 Using the Mexican Fruit Fly (Anastrepha ludens Loew, Diptera: Tephritidae) as a Novel In Vivo Model

Probiotics Antimicrob Proteins. 2022 Dec 27. doi: 10.1007/s12602-022-10034-6. Online ahead of print.

ABSTRACT

Safety assessment of probiotics is difficult but essential. In this work, the Mexican fruit fly, Anastrepha ludens (Loew) (Diptera: Tephritidae), was used as in vivo model to assess the biosafety of Limosilactobacillus fermentum J23. In the first set of experiments, the strain was orally administered to adult flies through direct feeding, whereas in the second set of experiments, it was supplemented through the larval rearing medium. Data showed that L. fermentum J23 did not lead to increased mortality or treatment-related toxicity signs in adult female and male flies. Ingestion of L. fermentum J23 by adult female flies led to a statistically significant improvement in locomotor activity compared to the control groups (ca. 59% decrease in climbing time, p < 0.0001). A positive trend in lifespan extension under stress (maximum lifespan = 144 h) was also observed. When L. fermentum J23 was administered to the larvae, the adult emergence (p = 0.0099), sex ratio (p = 0.0043), and flight ability (p = 0.0009) increased significantly by 7%, 31%, and 8%, respectively, compared to the control diet. No statistical effect between the control diet and the L. fermentum J23-based diet for the number of pupae recovered, pupal weight, duration of the pupal stage, lifespan under stress, and morphological development was observed. We conclude that feeding L. fermentum J23 to the novel experimental model A. ludens had no toxic effects and could be safely considered a potential probiotic for food supplements; however, further studies are still needed to establish its biosafety in humans.

PMID:36574190 | DOI:10.1007/s12602-022-10034-6