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Nevin Manimala Statistics

Constipation is associated with depression of any severity, but not with suicidal ideation: insights from a large cross-sectional study

Int J Colorectal Dis. 2023 Sep 15;38(1):231. doi: 10.1007/s00384-023-04520-8.

ABSTRACT

OBJECTIVE: The association between constipation and depression or suicidal ideation (SI) has not been adequately studied. This study aims to examine whether constipation is associated with depression or SI in US adults.

METHOD: 4,562 adults aged 20 and older were selected from the National Health and Nutrition Examination Survey 2009-2010 for the sample. The Bowel Health Questionnaire provided constipation information. Clinical depression and depression severity were assessed by the validated Patient Health Questionnaide-9 (PHQ-9), and item 9 of the PHQ-9 assessed SI. Adjusted odds ratios (ORs) were calculated using multivariate logistic regression models. Stability of the results was ensured by a subgroup analysis.

RESULT: After adjusting for covariates such as demographics, risk behaviors, associated comorbidities, dietary intake, and related medications, the PHQ-9 score and clinical depression were both significantly associated with constipation, with ORs and 95%CIs of 1.13 (1.10-1.16) and 3.76 (2.65-5.34). Depression of all severities was also significantly associated with constipation. The ORs and 95%CIs of constipation with mild depression, moderate depression, and moderately severe to severe depression were 2.21 (1.54-3.16), 3.69 (2.34-5.81) and 6.84 (4.19-11.15), respectively. Subgroup analyses showed no statistically significant interactions (P > 0.05), and the association was stronger in men than in women (OR: 7.81, 95%CI: 3.67-16.61 vs OR: 3.46, 95%CI: 2.31-5.19). The association between constipation and SI was not significant (OR: 1.36, 95%CI: 0.78-2.37).

CONCLUSION: In conclusion, constipation was significantly associated with depression of any severity, but not with SI, suggesting that enough attention should be paid to the emotional and psychological status of patients with constipation, especially male patients.

PMID:37713119 | DOI:10.1007/s00384-023-04520-8

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The relationship between abnormal urinalysis findings and appendicitis location

Int J Colorectal Dis. 2023 Sep 15;38(1):232. doi: 10.1007/s00384-023-04527-1.

ABSTRACT

AIMS: Acute appendicitis is a common cause of acute abdomen in general surgery and early diagnosis is crucial for prognosis. Abnormal urinalysis results have been associated with appendicitis in some studies, with reports of microscopic hematuria or pyuria in laboratory tests. The aim of this article is to evaluate the relationship between laboratory findings of hematuria, pyuria, and the location of acute appendicitis.

METHODS: This retrospective study included 577 patients who underwent appendectomy for suspected acute appendicitis between January 1, 2018, and December 31, 2022, at the general surgery clinic of Samsun Training and Research Hospital.

RESULTS: Among the 577 patients, 247 were female and 330 were male, with a median age of 34 years. A statistically significant difference was observed between appendicitis location and erythrocyte values (p = 0.009), specifically in paraileal and retrocecal locations. There was a statistically significant difference between appendicitis location and leukocyte values (p < 0.001), with significant differences found in paraileal, promontoric, and retrocecal locations. A statistically significant difference was observed between appendicitis location and leukocyte esterase values (p = 0.002), specifically in paraileal and retrocecal locations.

DISCUSSION/CONCLUSION: Abnormal urinalysis findings are not uncommon in patients with acute appendicitis. Our study demonstrated a significant correlation between tit erythrocyte, tit leukocyte, and tit leukocyte esterase positivity with appendicitis locations. Therefore, we believe that pathological findings in urine tests of patients undergoing surgery with a preliminary diagnosis of appendicitis can provide valuable information to surgeons regarding the location of the appendix, ultimately aiding in optimizing the timing and cost of the operation.

PMID:37713118 | DOI:10.1007/s00384-023-04527-1

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Nevin Manimala Statistics

Do adaptive policy adjustments deliver ecosystem-agriculture-economy co-benefits in land degradation neutrality efforts? Evidence from southeast coast of China

Environ Monit Assess. 2023 Sep 15;195(10):1215. doi: 10.1007/s10661-023-11821-6.

ABSTRACT

Ecosystem restoration projects (ERPs) facilitate land degradation neutrality (LDN). However, the response dynamics and interactions of sectors within ecosystem-agriculture-economy nexus (EAEN) have not been sufficiently explored, which constrains the coordinated efficacy of LDN efforts. To bridge the knowledge gaps, the present study selected a land restoration hotspot in southeastern China as a case to investigate the simultaneous responses of the EAEN sectors to ERPs from a novel social-ecological system (SES)-based LDN perspective. Various biophysical models and Manne-Kendall trend test as well as multi-source spatially explicit data and socioeconomic statistics were applied to quantify the co-evolution of natural and socioeconomic indicators. ERPs converting cropland to woodland and grassland promoted vegetation restoration, reduced soil erosion, and enhanced carbon sequestration. However, cropland loss initially resulted in a decline in grain productivity. Policy adjustments and improvements in ecosystem restoration efforts and agricultural production conditions improved food security and increased agricultural production capacity. Effective policymaking and favorable resident engagement accelerated the transformation from a grain-production-based agriculture to diversified industries and, by extension, economic output, income, and population. The success of socioeconomic development under the SES framework for LDN demonstrated that this strategy could achieve the desired environmental, agricultural, and economic targets. EAEN under the SES conceptual framework provides an inclusive, comprehensive LDN perspective and improves ERP efficacy. The findings of the present work might be applicable to other land restoration areas challenged by the complex interactions among multidimensional factors. Comparably successful implementation of these ERPs could be realized if individual environmental and socioeconomic conditions are thoroughly considered during the formulation of coordinated development policies.

PMID:37713117 | DOI:10.1007/s10661-023-11821-6

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Nevin Manimala Statistics

Using simulation to enhance primary care sexual health services for breast cancer survivors: a feasibility study

Support Care Cancer. 2023 Sep 15;31(10):576. doi: 10.1007/s00520-023-08037-2.

ABSTRACT

PURPOSE: To evaluate the impact of a virtual simulation game (VSG) to improve primary care sexual health services for breast cancer survivors.

METHODS: We developed a VSG to help primary care providers (PCPs) address sexual health disturbances among breast cancer survivors. We used a pretest-posttest design with a series of validated tools to assess the feasibility and perceived impact of the VGS, including an open-ended question about participants’ perceptions. Quantitative data was analyzed using descriptive and inferential statistics and qualitative data through an inductive content analysis approach.

RESULTS: Of the 60 participants, the majority were nurse practitioner students (n = 26; 43.3%), female (n = 48; 80%), and worked full-time (n = 35; 58.3%). Participants perceived the VSG as feasible and potentially effective. The intervention elicited an improvement in PCPs’ perception of knowledge between pretest and posttest surveys (z = – 1.998, p = 0.046). Professional background and previous exposure to sexual health training were predictors of knowledge perception. Participants described the intervention as an engaging educational strategy where they felt safe to make mistakes and learn from that.

CONCLUSIONS: VSGs can be a potentially effective educational approach for PCPs. Our findings indicate that despite being an engaging interactive strategy, VSG interventions should be tailored for each professional group.

IMPLICATIONS FOR CANCER SURVIVORS: This intervention has potential to improve the knowledge and practice of PCPs related to breast cancer follow-up care to support comprehensive care for survivors, resulting in a better quality of life and patient outcomes.

PMID:37713111 | DOI:10.1007/s00520-023-08037-2

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Nevin Manimala Statistics

Enrollment Forecast for Clinical Trials at the Planning Phase with Study-Level Historical Data

Ther Innov Regul Sci. 2023 Sep 15. doi: 10.1007/s43441-023-00564-8. Online ahead of print.

ABSTRACT

Given progressive developments and demands on clinical trials, accurate enrollment timeline forecasting is increasingly crucial for both strategic decision-making and trial execution excellence. Naïve approach assumes flat rates on enrollment using average of historical data, while traditional statistical approach applies simple Poisson-Gamma model using time-invariant rates for site activation and subject recruitment. Both of them are lack of non-trivial factors such as time and location. We propose a novel two-segment statistical approach based on Quasi-Poisson regression for subject accrual rate and Poisson process for subject enrollment and site activation. The input study-level data are publicly accessible and it can be integrated with historical study data from user’s organization to prospectively predict enrollment timeline. The new framework is neat and accurate compared to preceding works. We validate the performance of our proposed enrollment model and compare the results with other frameworks on 7 curated studies.

PMID:37713098 | DOI:10.1007/s43441-023-00564-8

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The global landscape of bladder cancer incidence and mortality in 2020 and projections to 2040

J Glob Health. 2023 Sep 15;13:04109. doi: 10.7189/jogh.13.04109.

ABSTRACT

BACKGROUND: Bladder cancer (BCa) is one of the most common urological malignancies worldwide. This study examines the global epidemiological profile of BCa incidence and mortality in 2020 and the projected burden to 2040.

METHODS: The estimated number of BCa cases and deaths were extracted from the GLOBOCAN 2020 database. Age-standardised incidence rates (ASIRs) and age-standardised mortality rates (ASMRs) were calculated using the world standard. The predicted BCa incidence and mortality in 2040 was calculated based on demographic projections.

RESULTS: Globally, approximately 573 000 new BCa cases and 213 000 deaths occurred in 2020, corresponding to ASIRs and ASMRs of 5.6 and 1.9 per 100 000, respectively. The incidence and mortality rates were approximately 4-fold higher in men (9.5 and 3.3 per 100 000, respectively) than women (2.4 and 0.9, respectively). Across world regions, incidence rates varied at least 12-fold among men and 8-fold among women, with the highest ASIRs for both men and women detected in Southern Europe (26.5 and 5.8 per 100 000, respectively) and Western Europe (21.5 and 5.8, respectively) and the lowest in Middle Africa (2.2) in men and South-Central Asia (0.7) in women. The highest ASMRs for both men and women were found in Northern Africa (9.2 and 1.8 per 100 000, respectively). By 2040, the annual number of new BCa cases and deaths will increase to 991 000 (72.8% increase from 2020) and 397 000 (86.6% increase), respectively.

CONCLUSIONS: Geographical distributions of BCa incidence and mortality uncovered higher risk of BCa incidence in Southern and Western European populations and higher risk of mortality in Northern African populations. Considering the predicted 73% and 87% increase in annual BCa cases and deaths by 2040 globally, respectively, there is an urgent need to develop and accelerate BCa control initiatives for high-risk populations to tackle global BCa burden and narrow its geographical disparities.

PMID:37712386 | DOI:10.7189/jogh.13.04109

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High-risk pregnancy in India: Prevalence and contributing risk factors – a national survey-based analysis

J Glob Health. 2023 Sep 15;13:04116. doi: 10.7189/jogh.13.04116.

ABSTRACT

BACKGROUND: High-risk pregnancies (HRP) place women and their offspring at the highest risk for morbidity and mortality. Maternal and medical risks increase pregnancy risk and complications during pregnancy and childbirth. Here, we reported the current prevalence of high-risk pregnancies among Indian women, which is defined through various factors such as maternal, lifestyle, medical, current health risk and adverse birth outcomes.

METHODS: This is a cross-sectional study based on secondary data from India’s National Family Health Survey-5 (NFHS-5). A total of 23 853 currently pregnant women were considered for analysis after considering the inclusion and exclusion criteria. The prevalence and contributing factors of high-risk pregnancies were estimated using descriptive statistics and logistic regression, respectively.

RESULTS: The prevalence of high-risk pregnancies among Indian women was 49.4%, with 33% of women having a single high-risk, and 16.4% having multiple high-risk pregnancies. Notably, pregnant women from Meghalaya and Manipur states had 67.8% and 66.7% with one or more high-risk factors, respectively. About 31.1% of women had short birth spacing, and 19.5% of women had adverse birth outcomes during the last birth. Logistic regression analysis showed that women with no education (adjusted odds ratio (AOR) = 2.02; 95% confidence interval (CI) = 1.84-2.22) and the poorest wealth quintile (AOR = 1.33; 95% CI = 1.04-1.29) had significantly higher odds of having HRP than those with higher education and the highest wealth quintile, respectively.

CONCLUSIONS: Nearly half of all pregnancies in India have one or more high-risk factors, which is a matter of concern, and the risks were higher among the vulnerable population such as no educated, poorest groups etc. The leading high-risk factors such as short-birth spacing, adverse birth outcomes, and caesarean deliveries should be addressed through the health policy and programmes.

PMID:37712385 | DOI:10.7189/jogh.13.04116

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Understanding and reporting odds ratios as rate-ratio estimates in case-control studies

J Glob Health. 2023 Sep 15;13:04101. doi: 10.7189/jogh.13.04101.

ABSTRACT

BACKGROUND: We noted that there remains some confusion in the health-science literature on reporting sample odds ratios as estimated rate ratios in case-control studies.

METHODS: We recap historical literature that definitively answered the question of when sample odds ratios (ORs) from a case-control study are consistent estimators for population rate ratios. We use numerical examples to illustrate the magnitude of the disparity between sample ORs in a case-control study and population rate ratios when sufficient conditions for them to be equal are not satisfied.

RESULTS: We stress that in a case-control study, sampling controls from those still at risk at the time of outcome event of the index case is not sufficient for a sample OR to be a consistent estimator for an intelligible rate ratio. In such studies, constancy of the exposure prevalence together with constancy of the hazard ratio (HR) (i.e., the instantaneous rate ratio) over time is sufficient for this result if sampling time is not controlled; if time is controlled, constancy of the HR will suffice. We present numerical examples to illustrate how failure to satisfy these conditions adds a small systematic error to sample ORs as estimates of population rate ratios.

CONCLUSIONS: We recommend that researchers understand and critically evaluate all conditions used to interpret their estimates as consistent for a population parameter in case-control studies.

PMID:37712381 | DOI:10.7189/jogh.13.04101

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Protective efficacy of pirfenidone in rats with pulmonary fibrosis induced by bleomycin

Sarcoidosis Vasc Diffuse Lung Dis. 2023 Sep 13;40(3):e2023036. doi: 10.36141/svdld.v40i3.13847.

ABSTRACT

BACKGROUND: Bleomycin causes increased production of reactive oxygen species, leads to pulmonary toxicity, fibroblast activation, and fibrosis.

OBJECTIVES: This study aimed to evaluate the protective effect of pirfenidone on bleomycin-induced lung toxicity in rats.

METHODS: Twenty-eight adult rats were randomly divided into 3 groups; Bleomycin (B group, n=10), Bleomycin and Pirfenidone (B-PND group, n=13), and the control group (n=5). The bleomycin regimen was administered for 9 weeks. Pirfenidone was administered at 100 mg/kg daily. Total antioxidant level (TAS), total oxidant level (TOS), tumor necrosis factor (TNF-α), transforming growth factor (TGF-β1), matrix metalloproteinase-2 (MMP-2), plasminogen activator inhibitor (PAI) levels were studied. Histopathologically, sections were stained with Hematoxylin-eosin and Masson-trichrome for grading-scoring according to the Ashcroft score.

RESULTS: Stage 3 fibrosis was observed in 50% of the B group rats, stage 3 and higher fibrosis was never detected in the B-PND group and the difference was statistically significant (p=0.003). When evaluating tissue inflammation, the inflammation was higher in the B-PND group than in the other groups (p<0.001). Pleuritis was detected in all rats in group B, while was not observed in B-PND and control group (p<0.001). The TAS level was found to be significantly higher in group B than in group B-PND (p=0.034), while no difference was found between TOS, TNF-α, MMP-2, PAI, TGF-β1.

CONCLUSIONS: Pirfenidone had a statistically significant protective effect in bleomycin-induced lung fibrosis and pleuritis in rats. Despite the presence of inflammation in the tissue, no significant changes were observed in inflammation markers in the peripheral blood. Novel serum biomarkers are needed to indicate the presence of inflammation and fibrosis in the lung.

PMID:37712376 | DOI:10.36141/svdld.v40i3.13847

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The role of systemic immune-inflammation index (SII) in the differential diagnosis of granulomatous and reactive LAP diagnosed by endobronchial ultrasonography

Sarcoidosis Vasc Diffuse Lung Dis. 2023 Sep 13;40(3):e2023038. doi: 10.36141/svdld.v40i3.14743.

ABSTRACT

BACKGROUND AND AIM: Tuberculosis and sarcoidosis are the two most important granulomatous diseases that physicians have difficulty in differential diagnosis. In our study, we aimed to observe the place of systemic immune-inflammation index (SII) level in the differentiation of patients diagnosed with endoboronchial ultrasonography (EBUS).

METHODS: Our study included 494 patients who applied to our hospital’s chest diseases outpatient clinic between 2015 and 2020 and underwent endobronchial ultrasonography (EBUS) for mediastinal lymphadenopathy (LAP). Patients’ follow-up for at least 2 years after diagnosis and pre-procedural hematologic parameters were retrospectively recorded.

RESULTS: In the comparison of SII between groups, it was observed that SII was statistically significantly higher in patients followed up for tuberculous lymphadenitis compared to patients with sarcoidosis and reactive LAP (p=0.01, <0.001). In sarcoidosis patients, SII levels were statistically significantly higher than in patients with reactive LAP (p=0.002). Platelet, sedimentation and SII levels were statistically significantly higher in stage 2 patients compared to stage 1 patients, while lymphocyte levels were lower (p=0.009, 0.001, 0.001, 0.001, 0.001 respectively). In the ROC curve analysis of the SII level of patients with sarcoidosis and tuberculosis LAP, the AUC was 0.668 and when the cut-off value for the SII level was 890.667, the sensitivity was 70% and the specificity was 66% in the differentiation of tuberculosis and sarcoidosis lymphadenitis.

CONCLUSION: SII may be an easily applicable parameter in the differentiation of tuberculosis and sarcoidosis LAP with granuloma and in the differentiation of granulomatous diseases from reactive LAP.

PMID:37712366 | DOI:10.36141/svdld.v40i3.14743