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Nevin Manimala Statistics

Predictors of 30-Day Re-admission in Cardiac Patients at Heart Hospital, Qatar

Heart Views. 2023 Jul-Sep;24(3):125-135. doi: 10.4103/heartviews.heartviews_91_22. Epub 2023 Jul 5.

ABSTRACT

BACKGROUND: Cardiovascular disease patients are more likely to be readmitted within 30 days of being discharged alive. This causes an enormous burden on health-care systems in terms of poor care of patients and misutilization of resources.

AIMS AND OBJECTIVE: This study aims to find out the risk factors associated with 30-day readmission in cardiac patients at Heart Hospital, Qatar.

METHODS: A total of 10,550 cardiac patients who were discharged alive within 30 days at the heart hospital in Doha, Qatar, from January 2015 and December 2019 were analyzed. The bootstrap method, an internal validation statistical technique, was applied to present representative estimates for the population.

RESULTS: Out of the 10,550 cardiac patients, there were 8418 (79.8%) index admissions and 2132 (20.2%) re-admitted at least once within 30 days after the index admission. The re-admissions group was older than the index admission group (65.6 ± 13.2 vs. 56.0 ± 13.5, P = 0.001). Multinomial regression analysis showed that females were 30% more likely to be re-admitted than males (adjusted odds ratio [aOR] 1.30, 95% confidence interval [CI]: 1.11-1.50, P = 0.001). Diabetes (aOR 1.36, 95% CI: 1.20-1.53, P = 0.001), chronic renal failure (aOR 1.93, 95% CI: 1.66-2.24, P = 0.001), previous MI (aOR 3.22, 95% CI: 2.85-3.64, P = 0.001), atrial fibrillation (aOR 2.17, 95% C.I. : 1.10-2.67, P = 0.01), cardiomyopathy (aOR 1.72, 95% CI 1.47-2.02, P = 0.001), and chronic heart failure (aOR 1.56, 95% C.I.: 1.33-1.82, P = 0.001) were also independent predictors for re-admission in the regression model. C-statistics showed these variables could predict 82% accurately hospital readmissions within 30 days after being discharged alive.

CONCLUSION: The model was more than 80% accurate in predicting 30-day readmission after being discharged alive. The presence of five or more risk factors was found to be crucial for readmissions within 30 days. The study may help design interventions that may result in better outcomes with fewer resources in the population.

PMID:37584026 | PMC:PMC10424753 | DOI:10.4103/heartviews.heartviews_91_22

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Development and validation of a predictive model for spinal fracture risk in osteoporosis patients

World J Clin Cases. 2023 Jul 16;11(20):4824-4832. doi: 10.12998/wjcc.v11.i20.4824.

ABSTRACT

BACKGROUND: Spinal osteoporosis is a prevalent health condition characterized by the thinning of bone tissues in the spine, increasing the risk of fractures. Given its high incidence, especially among older populations, it is critical to have accurate and effective predictive models for fracture risk. Traditionally, clinicians have relied on a combination of factors such as demographics, clinical attributes, and radiological characteristics to predict fracture risk in these patients. However, these models often lack precision and fail to include all potential risk factors. There is a need for a more comprehensive, statistically robust prediction model that can better identify high-risk individuals for early intervention.

AIM: To construct and validate a model for forecasting fracture risk in patients with spinal osteoporosis.

METHODS: The medical records of 80 patients with spinal osteoporosis who were diagnosed and treated between 2019 and 2022 were retrospectively examined. The patients were selected according to strict criteria and categorized into two groups: Those with fractures (n = 40) and those without fractures (n = 40). Demographics, clinical attributes, biochemical indicators, bone mineral density (BMD), and radiological characteristics were collected and compared. A logistic regression analysis was employed to create an osteoporotic fracture risk-prediction model. The area under the receiver operating characteristic curve (AUROC) was used to evaluate the model’s performance.

RESULTS: Factors significantly associated with fracture risk included age, sex, body mass index (BMI), smoking history, BMD, vertebral trabecular alterations, and prior vertebral fractures. The final risk-prediction model was developed using the formula: (logit [P] = -3.75 + 0.04 × age – 1.15 × sex + 0.02 × BMI + 0.83 × smoking history + 2.25 × BMD – 1.12 × vertebral trabecular alterations + 1.83 × previous vertebral fractures). The AUROC of the model was 0.93 (95%CI: 0.88-0.96, P < 0.001), indicating strong discriminatory capabilities.

CONCLUSION: The fracture risk-prediction model, utilizing accessible clinical, biochemical, and radiological information, offered a precise tool for the evaluation of fracture risk in patients with spinal osteoporosis. The model has potential in the identification of high-risk individuals for early intervention and the guidance of appropriate preventive actions to reduce the impact of osteoporosis-related fractures.

PMID:37583999 | PMC:PMC10424038 | DOI:10.12998/wjcc.v11.i20.4824

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The onset of cerebral infarction may be affected by differences in atmospheric pressure distribution patterns

Front Neurol. 2023 Jul 31;14:1230574. doi: 10.3389/fneur.2023.1230574. eCollection 2023.

ABSTRACT

BACKGROUND: Some papers have highlighted a possible causal relationship between the onset of ischemic stroke and weather conditions. This study aimed to elucidate the onset mechanism of cerebral infarction from a meteorological approach. We focused on the atmospheric pressure distribution patterns (APDPs).

METHODS: The subjects are 221 cases diagnosed as cardiogenic cerebral embolism (Group A) and 612 cases diagnosed as atherosclerotic cerebral thrombosis (Group B). We investigated the APDP on the date closest to the date and time of onset of cerebral infarction in each patient on the website and chose the most similar one from the reported 11 APDPs. Groups A and B were compared for clinical characteristics and the appearance rate of each APDP in each group.

RESULTS: The clinical characteristics of Groups A and B were consistent with some previously reported clinical characteristics of cerebral embolism and cerebral thrombosis except for smoking. The appearance rate of the other high-pressure type, which cannot be classified as either the anticyclone belt type or the migratory anticyclone type, in Group B was statistically significantly higher than that in Group A, and the appearance rate of the anticyclone belt type in Group A was statistically significantly higher than that in Group B (p < 0.05, Fisher’s exact probability method, respectively).

CONCLUSIONS: Cerebral embolism and cerebral thrombosis exhibited significant differences in APDPs on the day of onset. Dehydration particularly in the other high-pressure type or in the anticyclone belt type should be prevented. Further investigation should focus on the other meteorological factors.

PMID:37583952 | PMC:PMC10423876 | DOI:10.3389/fneur.2023.1230574

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Factors associated with stress-related symptoms among people with epilepsy in Ethiopia, a cross-sectional study

Front Neurol. 2023 Jul 31;14:1218448. doi: 10.3389/fneur.2023.1218448. eCollection 2023.

ABSTRACT

INTRODUCTION: Stress is a common psychological problem present in people with epilepsy and has a serious impact on the health-related satisfaction of people with epilepsy and their cohabiters. This study aimed to assess the magnitude and related factors of stress.

METHODS: A hospital-based cross-sectional study was carried out among 301 systematically chosen people with epilepsy. The seven stress-related items of the Depression, Anxiety, and Stress -21 questionnaire was used to measure stress. Data were entered using Epi Info and analyzed by SPSS version 25. Predictors with a p-value < 0.20 in the bivariate logistic regression were transferred into the multivariate model. A p-value of less than 0.05 was viewed as statistically significant.

RESULT: The prevalence of stress symptoms in this study was 23.9%. Daily labor occupational status with Adjusted Odds ratio [(AOR) = 0.042, 95% CI: 0.004, 0.469], onset of illness at the age of 18 years and above (AOR = 0.188, 95% CI: 0.046, 0.771), perceived stigma (AOR = 3.320, 95% CI: 1.345, 8.200), the presence of anxiety symptoms (AOR = 8.275, 95% CI: 3.345, 20.471), and belief that the condition is untreatable (AOR = 6.360, 95% CI: 1.647, 24.562) were significantly associated factors.

CONCLUSION: The occurrence of stress was high, and it reinforced that there is a requisite for the identification and handling of stress-related symptoms among people with epilepsy.

PMID:37583951 | PMC:PMC10425181 | DOI:10.3389/fneur.2023.1218448

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Relationship between anal cancer recurrence and cigarette smoking

World J Clin Oncol. 2023 Jul 24;14(7):259-264. doi: 10.5306/wjco.v14.i7.259.

ABSTRACT

BACKGROUND: The incidence of anal cancer has been increasing in the United States. Smoking is a well-established risk factor; however, the impact of smoking on disease re-currence and outcome has not been well studied. The aim of this study was to assess the association between anal cancer recurrence and cigarette smoking.

AIM: To investigate the relationship between cigarette smoking status and anal cancer treatment outcome.

METHODS: The cancer registry from a single, community hospital was screened for patients with anal cancer between 2010 and 2021. The following characteristics were gathered from the database: Age; sex; cigarette smoking history; American Joint Committee on Cancer Clinical Stage Group; response to therapy; recurrence; time to recurrence; mortality; time to death; and length of follow-up. Patients were divided into the following groups: Current smokers; former smokers; and never smokers. SPSSv25.0 software (IBM Corp., Armonk, NY, United States) was used for statistical analysis.

RESULTS: A total of 95 patients from the database met the screening criteria. There were 37 never smokers, 22 former smokers, and 36 current smokers. There was no difference between groups in regards to race or sex. There was no difference in the American Joint Committee on Cancer Clinical Stage Group between groups. The former smokers were significantly older when compared to never smokers and current smokers (66.5 ± 13.17 vs 57.4 ± 7.82 vs 63.7 ± 13.80, P = 0.011). Former smokers and current smokers had a higher recurrence rate compared to never smokers (30.8% and 20.8% compared to zero, P = 0.009). There was not a significant difference in recurrence between former smokers and current smokers. There was no difference in the mortality, non-response rate, or time to death between the groups.

CONCLUSION: Our data contributes evidence that cigarette smoking status is associated with increased recurrence for patients with anal cancer.

PMID:37583947 | PMC:PMC10424090 | DOI:10.5306/wjco.v14.i7.259

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The relationship between cervical spine range of motion and postural sway in mechanical neck pain: A cross-sectional study

Hong Kong Physiother J. 2023 Dec;43(2):129-135. doi: 10.1142/S1013702523500142. Epub 2023 Jun 26.

ABSTRACT

BACKGROUND: Impairments in postural sway have been identified in people with mechanical neck pain. The influence of cervical spine range of motion (ROM) on postural sway is unclear in mechanical neck pain (MNP).

OBJECTIVE: This study investigated the relationship between cervical spine range of motion (ROM) and postural sway in MNP.

METHODS: The cervical ROM was measured using the Cervical Range of Motion (CROM) device. Standing postural sway characterised by mean centre of pressure (COP) measurements in the anterior posterior (AP) and medio-lateral direction with eyes closed and feet together condition was recorded on a posturography platform. Pearson product moment correlation coefficient was used to identify the relationship between cervical ROM and postural sway.

RESULTS: Seventy-two MNP individuals (Mean age: 29.9±11.7) of either sex (Male: Female=23:49) were recruited. Overall, no statistically significant correlations were identified between cervical spine ROM in sagittal and frontal plane and postural sway (r values ranging from 0.00 to 0.38; p-values >0.05). However, a weak negative correlation was present between the cervical rotation and AP (rvalue=-0.23; pvalue=0.04) and mediolateral (rvalue=-0.38; pvalue=0.01) COP excursion.

CONCLUSION: The cervical spine ROM was found to have a weak relationship with postural sway in individuals with MNP. This suggests the investigation of other mechanisms especially muscle tension which might be responsible for altered postural sway in MNP.

PMID:37583925 | PMC:PMC10423670 | DOI:10.1142/S1013702523500142

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Randomized Trial of a Social Support Intervention to Improve Home Blood Pressure Monitoring in Patients With Cerebrovascular Disease

Neurologist. 2023 Jun 27. doi: 10.1097/NRL.0000000000000507. Online ahead of print.

ABSTRACT

BACKGROUND: A pilot randomized trial evaluating whether a social support intervention improves adherence to home blood pressure (BP) monitoring among patients with cerebrovascular disease.

METHODS: Subjects with ischemic stroke, intracerebral hemorrhage, or transient ischemic attack within 5 years with BP >140/90, were given a centrally monitored home BP cuff and asked to check their BP twice a day for 90 ± 7 days. Subjects received text and/or email reminders for missed measurements and weekly reports on adherence/BP control. Subjects were randomized 1:1 to a social support intervention, in which close personal contact also received all study-related education and communications. The primary outcome was the proportion of requested measurements completed. A secondary outcome was a change in BP over time.

RESULTS: Thirty-three subjects were enrolled, 15 in the control arm and 18 in the social support arm. The social support arm completed a greater proportion of BP measurements at day 30 (88% vs 78%), day 60 (72% vs 54%), and day 83 (60% vs 40%), but none of these differences were statistically significant (P > 0.05). Comparing the first 7 days of BP readings to the last 7 days across subjects, there was a nonsignificant decrease in BP over time (systolic BP = -2.8 mm Hg, P = 0.29 and diastolic BP = -1.7, P = 0.36). The social support intervention did not modify the change in BP over time.

CONCLUSION: A social support intervention may increase adherence to home BP monitoring. This pilot study provides important preliminary data to inform the design of larger more definitive trials utilizing self-monitoring of BP in patients with cerebrovascular disease.

PMID:37582619 | DOI:10.1097/NRL.0000000000000507

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Remote Administration of Physical and Cognitive Performance Assessments in a Predominantly Black Cohort of Persons With Systemic Lupus Erythematosus

ACR Open Rheumatol. 2023 Aug 15. doi: 10.1002/acr2.11588. Online ahead of print.

ABSTRACT

OBJECTIVE: In a study of physical and cognitive functioning among predominantly Black individuals with systemic lupus erythematosus (SLE), we compared remotely administered physical and cognitive performance assessments to those collected in person.

METHODS: A subset of participants who completed an in-person visit in our parent study from 2021 to 2022 (n = 30) were recruited to complete a second, remote visit within 28 days. Physical performance (measured by a modified Short Physical Performance Battery [SPPB]; range 0-12; subscale ranges 0-4; higher = better performance) and cognitive performance (episodic and working memory adjusted t-scores, measured using NIH Toolbox) were measured at both visits. Mean scores were compared using paired t-tests; intraclass correlation coefficients (ICCs) were obtained from two-way mixed effects models. Linear and logistic models were used to estimate stratified associations between performance measures and related outcomes.

RESULTS: Participants were primarily female (93.3%) and Black (93.3%). In-person versus remote overall SPPB (8.76 vs. 9.43) and chair stand (1.43 vs. 1.90) scores were statistically significantly lower. t-Scores for episodic memory (47.27 vs. 49.53) and working memory (45.37 vs. 47.90) were lower for in-person versus remote visits. The ICC for overall SPPB indicated good agreement (0.76), whereas the ICCs for episodic (0.49) and working memory (0.57) indicated poor-moderate agreement. Associations between assessments of performance with related outcomes were similar and did not statistically significantly differ by modality of visit.

CONCLUSION: To possibly expand and diversify pools of participants in studies of physical and cognitive performance in SLE, remote administration of assessments should be considered for future research.

PMID:37582606 | DOI:10.1002/acr2.11588

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COVID-19 Vaccination Status Among Korean Pediatric Population With Comorbidities

J Korean Med Sci. 2023 Aug 14;38(32):e248. doi: 10.3346/jkms.2023.38.e248.

ABSTRACT

The pediatric population with comorbidities is a high-risk group for severe coronavirus disease 2019 (COVID-19). As of January 2023, the COVID-19 vaccination rate for at least two doses among Korean children 5-11 years is low at 1.1%. We summarized the COVID-19 vaccination status for the pediatric population (5-17 years) with comorbidities through July 2022 using the National Health Insurance Service database. Pediatric patients with comorbidities had higher vaccination rates than the general pediatric population (2.4% vs. 1.1% in 5-11-year-olds [P < 0.001], 76.5% vs. 66.1% in 12-17-year-olds [P < 0.001]). However, there were substantial differences according to comorbidity category, and the 2-dose vaccination rate was lowest among children with immunodeficiency in all age groups (1.1% in 5-11-year-olds, 51.2% in 12-17-year-olds). The COVID-19 vaccination rate among Korean children has remained stagnant at a low proportion despite ongoing outreach. Thus, more proactive strategies are needed alongside continuous surveillance.

PMID:37582498 | DOI:10.3346/jkms.2023.38.e248

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Laparoscopic adrenalectomy for resection of unilateral noninvasive adrenal masses in dogs is associated with excellent outcomes in experienced centers

J Am Vet Med Assoc. 2023 Aug 15:1-8. doi: 10.2460/javma.23.03.0135. Online ahead of print.

ABSTRACT

OBJECTIVE: To report the short- and long-term outcomes of laparoscopic adrenalectomy (LA) for resection of unilateral adrenal masses and to document risk factors for conversion and peri- and postoperative morbidity.

ANIMALS: 255 client-owned dogs.

METHODS: Dogs were included if LA was attempted for resection of a unilateral adrenal mass. Medical records were evaluated and relevant data were reported, including complications, conversion, perioperative death, and long-term outcomes. Signalment, clinicopathological data, and surgical experience were factors statistically evaluated for possible associations with capsular penetration during surgery, conversion, surgical time, duration of hospital stay, death prior to discharge, mass recurrence, and survival time.

RESULTS: 155 dogs had left-sided tumors, and 100 had right-sided tumors. Conversion to an open approach was performed in 9.4% of cases. Capsular penetration (19.2%) and major hemorrhage (5.4%) were the most prevalent intraoperative complications. Of the dogs operated on, 94.9% were discharged from the hospital. Lesion side, portion of the gland affected, and surgeon experience influenced surgical time. Conversion rate increased with increasing body condition score and lesion size. Risk of death prior to discharge increased with increasing lesion size. Risk of conversion and death prior to discharge were lower when performed by more experienced surgeons. Capsular penetration during LA increased the risk of tumor recurrence.

CLINICAL RELEVANCE: LA for resection of unilateral adrenal masses is associated with excellent outcomes in experienced centers. Surgeons with greater experience with LA have lower surgical times, conversion rates, and risk of death prior to discharge.

PMID:37582487 | DOI:10.2460/javma.23.03.0135