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Nevin Manimala Statistics

Association between alcohol consumption and pancreatic cancer risk differs by glycaemic status: A nationwide cohort study

Eur J Cancer. 2022 Jan 19;163:119-127. doi: 10.1016/j.ejca.2021.12.027. Online ahead of print.

ABSTRACT

BACKGROUND: The dose-response association between alcohol consumption and the subsequent pancreatic cancer risk by individuals’ glycaemic status is unclear.

RESEARCH DESIGN AND METHOD: This large-scale nationwide cohort study included 9,514,171 adults without cancer who underwent health examinations under the Korean National Health Insurance Service in 2009 and were followed-up until December 2017 for pancreatic cancer development. Multivariable Cox proportional hazards regression analysis was performed.

RESULTS: During a median follow-up period of 7.3 years, 12,818 patients were newly-diagnosed with pancreatic cancer. Among individuals with normoglycemia, a J-shaped association was observed between the frequency of alcohol consumption (1-2 and ≥5 days/week: hazards ratio [HR]; 95% CI, 0.91; 0.85-0.97 and 1.13; 1.002-1.27, respectively) and pancreatic cancer risk, after adjusting for potential confounders. However, in patients with impaired fasting glucose (IFG), pancreatic cancer risk increased with increased frequency and average daily amount of alcohol consumption (all P for trend <0.01). IFG combined with heavy alcohol consumption (30 g/day) was associated with 38% increased pancreatic cancer risk (HR, 1.38; 95% CI, 1.23-1.54). Diabetes was associated with an increased pancreatic cancer risk regardless of alcohol consumption and 70% increased risk even in non-drinkers (HR, 1.70; 95% CI, 1.61-1.80).

CONCLUSIONS: The J-shaped dose-response association between alcohol consumption and pancreatic cancer risk was observed only in individuals with normoglycemia, not in patients with IFG and diabetes. Complete alcohol abstinence may help reduce pancreatic cancer risk in patients with IFG and diabetes.

PMID:35065369 | DOI:10.1016/j.ejca.2021.12.027

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Nevin Manimala Statistics

Relationship between parent-child attachment and depression among migrant children and left-behind children in China

Public Health. 2022 Jan 19;204:1-8. doi: 10.1016/j.puhe.2021.12.015. Online ahead of print.

ABSTRACT

OBJECTIVES: The objective of this study was to examine the relationship between parent-child attachment and depression in migrant children (MC), left-behind children (LBC) and non-left-behind children (NLBC) in China.

STUDY DESIGN: This was a cross-sectional study.

METHODS: In total, 4294 children (4th to 9th grade) participated in this study, including 677 MC, 1411 LBC and 2206 NLBC from 17 different schools.

RESULTS: The results showed that (1) the prevalence of depression among MC (21.0%) and LBC (14.0%) was significantly higher than that among NLBC (10.8%); (2) the quality of parent-child attachment among MC was statistically significantly lower than among LBC and NLBC (the proportion of children whose father-child and mother-child attachments were both insecure was 55.4% among MC, 29.9% among LBC and 33.7% among NLBC); and (3) depression was affected by the interaction between the group of children and parent-child attachment; compared with NLBC whose parent-child attachments were both secure, the odds ratio of depression among MC whose parent-child attachments were both insecure was 7.39, which was significantly higher than LBC (5.34) and NLBC (4.86) whose parent-child attachments were both insecure.

CONCLUSIONS: The prevalence of depression among MC and LBC was significantly higher than that among NLBC in China. The quality of parent-child attachment among MC was statistically significantly lower than that of LBC and NLBC. Secure attachment could reduce the risk of depression and insecure parent-child attachment increased the risk of depression. Depression was affected by the interaction between the group of children and parent-child attachment; migration was a significant risk factor associated with child depression.

PMID:35065353 | DOI:10.1016/j.puhe.2021.12.015

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Nevin Manimala Statistics

The effect of an exergame on physical activity among older adults residing in a long-term care facility: A pilot study

Geriatr Nurs. 2022 Jan 19;44:48-53. doi: 10.1016/j.gerinurse.2022.01.001. Online ahead of print.

ABSTRACT

BACKGROUND: Older adults who engage in arranged residential video games have the potential to gain health benefits such as increase in physical activity beyond purposeful movement with movement-based games.

METHODS: A Nintendo Wii video gaming system was implemented for six-weeks as a physical activity intervention with long-term care residents to determine the impact on exercise benefits/barriers, self-efficacy for exercise, and physical activity levels.

RESULTS: Paired t-tests revealed improvement in exercise benefits/barriers, self-efficacy for exercise, and physical activity levels, albeit none with statistical significance (all p > .05).

CONCLUSIONS: The use of the Nintendo Wii as an intervention to enhance physical activity for older adults in nursing home residents should be considered for use over a longer duration of time with older adults.

PMID:35065365 | DOI:10.1016/j.gerinurse.2022.01.001

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Nevin Manimala Statistics

Comparison of three indices of relative income deprivation in predicting health status

Soc Sci Med. 2022 Jan 13;294:114722. doi: 10.1016/j.socscimed.2022.114722. Online ahead of print.

ABSTRACT

Relative income deprivation (RID) is a known risk factor for poor health. Previous research has proposed several measures to assess RID, e.g., Income Rank and the Yitzhaki Index. Hounkpatin et al. (2020) presented a new approach – the CR˜i index – to account for the observation that individuals are more sensitive to the differences in incomes of others who are closer to them, rather than to comparisons with incomes of others far above them. Using a Japanese nationwide cohort of older adults (n = 62,438; mean [SD] age: 73.0 [5.6] years), this study compared the performance of alternative indices of RID in predicting health outcomes (depressive symptoms, functional capacity, and self-rated health), as well as the use of alternative CR˜i index weights (α weight range: -0.9 to 0.9). When 0<α<1, higher income differences lead to a more significant increase in relative deprivation, while when -1< α <0, excessively high incomes contribute less to the relative deprivation of lower income individuals in the same reference group. Results showed that all measures of relative income deprivation were associated with deteriorating mental and physical health among older Japanese adults. However, while the CR˜i index consistently outperformed the Yitzhaki Index, this did not hold true invariably when compared to the Income Rank – depending on the health outcome and the reference group. Also, while negative α parameters showed a good statistical fit in most models, the findings were not conclusive – the best-fitting CR˜i weight parameters ranged from -0.9 to 0.9. Therefore, a clear direction for the contribution of higher incomes to relative deprivation could not be established based on the study population.

PMID:35065345 | DOI:10.1016/j.socscimed.2022.114722

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Long-term exposure to fine particulate matter modifies the association between physical activity and hypertension incidence

J Sport Health Sci. 2022 Jan 19:S2095-2546(22)00019-9. doi: 10.1016/j.jshs.2022.01.004. Online ahead of print.

ABSTRACT

BACKGROUND: The trade-off between the benefits of regular physical activity (PA) and the potentially detrimental effects of augmented exposure to air pollution in highly polluted regions remains unclear. This study aimed to examine whether ambient fine particulate matter (PM2.5) exposure modified the impacts of PA volume and intensity on hypertension risk.

METHODS: We included 54,797 participants without hypertension at baseline in a nationwide cohort of the Prediction for Atherosclerotic Cardiovascular Disease Risk in China (China-PAR) project. PA volume and intensity were assessed by questionnaire, and high-resolution (1×1 km) PM2.5 estimates were generated using a satellite-based model.

RESULTS: During 413,516 person-years of follow-up, 12,100 incident hypertension cases were identified. PM2.5 significantly modified the relationship between PA and hypertension incidence (Pinteraction < 0.001). Increased PA volume was negatively associated with incident hypertension in the low PM2.5 stratum (<59.8 μg/m3, Ptrend < 0.001), with a hazard ratio (95% confidence interval (95%CI)) of 0.81 (0.74-0.88) when comparing the 4th with the 1st quartile of PA volume. However, the health benefits were not observed in the high PM2.5 stratum (≥59.8 μg/m3, Ptrend = 0.370). Moreover, compared with light PA intensity, vigorous intensity was related to a 20% (95%CI: 9%-29%) decreased risk of hypertension for participants exposed to low PM2.5, but a 17% (95%CI: 4%-33%) increased risk for those with high PM2.5 levels.

CONCLUSION: PA was associated with a reduced risk of hypertension only among participants with low PM2.5 exposure. Our findings recommended regular PA to prevent hypertension in less polluted regions and reinforced the importance of air quality improvement.

PMID:35065296 | DOI:10.1016/j.jshs.2022.01.004

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Pediatric turbinate radiofrequency ablation improves quality of life and rhinomanometric values. A prospective study

Int J Pediatr Otorhinolaryngol. 2022 Jan 19;154:111050. doi: 10.1016/j.ijporl.2022.111050. Online ahead of print.

ABSTRACT

OBJECTIVE: turbinate surgery in pediatric patients is gradually increasing in popularity amongst pediatric otolaryngologists. However, despite this, there is scarce information regarding this surgical procedure in children. The present research is designed with the aim of assessing changes in nasal resistance, nasal airflow and quality of life in pediatric patients undergoing turbinate radiofrequency ablation.

METHODS: A prospective uncontrolled intervention clinical trial design was followed. Children between 4 and 15 years old undergoing turbinate radiodiofrequency ablation (TRA) were consecutively selected. Children were examined preoperatively and 1, 3, 6 and 12 months after turbinate surgery. Anterior active rhinomanometry with and without nasal decongestant and examination of the turbinates and adenoid size were carried out in each follow-up visit. The SN5 quality of live survey was answered by parents.

RESULTS: 81 children were included, 28 with associated adenoidectomy. A significant improvement in quality of life was demonstrated since the first month after TRA. Regarding nasal resistance, there was an improvement 1 month after surgery, but it only reached statistical significance for the whole sample (p < 0.001)) and for the cohort of isolated turbinate surgery (p < 0.001) at 3 months, while the values for the cohort of children who underwent adenoidectomy reached significance at 6 months after surgery (p = 0.04). The difference in nasal resistance before and after decongestant was compared to the change in nasal resistance after surgery. It demonstrated a strong correlation with the change in nasal resistance at 1 month (R = 0.985; p < 0.001), 3 months (R = 0.995; p < 0.001), 6 months (R = 0.98; p < 0.001) and 12 months (R = 0.98; p < 0.001) after surgery.

CONCLUSIONS: turbinate surgery in pediatric patients seems to be a safe procedure which objectively and subjectively improves the symptoms of children suffering from nasal obstruction.

PMID:35065329 | DOI:10.1016/j.ijporl.2022.111050

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Nevin Manimala Statistics

Hypothyroidism does not lead to worse prognosis in COVID-19: findings from the Brazilian COVID-19 registry

Int J Infect Dis. 2022 Jan 19:S1201-9712(22)00016-9. doi: 10.1016/j.ijid.2022.01.016. Online ahead of print.

ABSTRACT

BACKGROUND: It is not clear whether previous thyroid diseases influence the course and outcomes of COVID-19.

METHODS: The study is a part of a multicentric cohort of patients with confirmed COVID-19 diagnosis from 37 hospitals. Matching for age, sex, number of comorbidities and hospital was performed for the paired analysis.

RESULTS: From 7,762 COVID-19 patients, 526 had previously diagnosed hypothyroidism and 526 were matched controls. The median age was 70 years-old and 68.3% were females. The prevalence of comorbidities was similar, except for coronary and chronic kidney diseases that were higher in the hypothyroidism group (p=0.015 and p=0.001). D-dimer levels were lower in hypothyroid patients (p=0.037). In-hospital management was similar, but hospital length-of-stay (p=0.029) and mechanical ventilation requirement (p=0.006) were lower for patients with hypothyroidism. There was a trend of lower in-hospital mortality in patients with hypothyroidism (22.1% vs. 27.0%; p=0.062).

CONCLUSION: Patients with hypothyroidism had a lower requirement of mechanical ventilation, and showed a trend of lower in-hospital mortality. Therefore, hypothyroidism does not seem to be associated with a worse prognosis.

PMID:35065257 | DOI:10.1016/j.ijid.2022.01.016

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Radicular canal disinfection by photosensitizers activated by photodynamic therapy and Er, Cr: YSGG laser bonded to glass fibre post using different cement types. An Invitro study

Photodiagnosis Photodyn Ther. 2022 Jan 19:102730. doi: 10.1016/j.pdpdt.2022.102730. Online ahead of print.

ABSTRACT

AIM: To assess the tensile bond strength (TBS) of conventional glass ionomer cement (GIC) and resin cemented fiber post to radicular dentin when disinfected with different photosensitizers methylene blue photosensitizer (MBP), curcumin photosensitizer (CP), and laser therapy Er, Cr: YSGG laser (ECYL) MATERIAL AND METHODS: Sixty carefully extracted, non-traumatic, non-carious, closed apex human mandibular premolars were collected. Periodontal fibers, plaque, or calculi were detached. Decoration of samples was executed up till the cementoenamel junction. Samples were embedded perpendicularly in a heat cure acrylic resin. Canals of all specimens were shaped and cleaned with Protaper universal NiTi system dehydrated with paper points and obturated with gutta-percha. Post space was prepared after the removal of gutta-percha via peso reamers. Post space was disinfected with MBPv100mg/L in group 1; group 2 500mg/L and group 3 ECL. After sequential photo-irradiation therapies, fiber post was luted with resinous cement and GIC (n=10 each). After post-cementation, all specimens were subjected to tensile strength in the universal testing machine in Newton. Failure analysis was assessed at 30x magnification.TBS determination was statistically analyzed by one-way variance analysis (ANOVA), followed by the Tukey test (p = 0.05) by parallelizing different groups.

RESULTS: Fiber post cemented to radicular dentin with Rely X ARC resin cement and radicular canal disinfected with CP offered the highest TBS (289.25±3.27N). Similarly, canal space disinfected with MBP and post-luted via Rely X ARC showed the lowest TBS (281.54±4.46N). Intragroup comparison unveiled that there is no statistical difference between tensile strength sustained by two luting cement (p>0.05).

CONCLUSION: Rely X ARC resinous cement bared the highest tensile bond strength for a post-dentine-cement bond with different photo-activated canal disinfectants (MBP, CP) and Er, Cr: YSGG then Vidrion C (GIC).

PMID:35065279 | DOI:10.1016/j.pdpdt.2022.102730

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Nevin Manimala Statistics

Cross-classified multilevel models improved standard error estimates of covariates in clinical outcomes – a simulation study

J Clin Epidemiol. 2022 Jan 19:S0895-4356(22)00011-7. doi: 10.1016/j.jclinepi.2022.01.005. Online ahead of print.

ABSTRACT

OBJECTIVE: To compare estimates of effect and variability resulting from standard linear regression analysis and hierarchical multilevel analysis with cross-classified multilevel analysis under various scenarios.

STUDY DESIGN AND SETTING: We performed a simulation study based on a data structure from an observational study in clinical mental health care. We used a Markov chain Monte Carlo (MCMC) approach to simulate 18 scenarios, varying sample sizes, cluster sizes, effect sizes and between group variances. For each scenario, we performed standard linear regression, multilevel regression with random intercept on patient level, multilevel regression with random intercept on nursing team level and cross-classified multilevel analysis.

RESULTS: Applying cross-classified multilevel analyses had negligible influence on the effect estimates. However, ignoring cross-classification led to underestimation of the standard errors of the covariates at the two cross-classified levels and to invalidly narrow confidence intervals. This may lead to incorrect statistical inference. Varying sample size, cluster size, effect size and variance had no meaningful influence on these findings.

CONCLUSION: In case of cross-classified data structures, the use of a cross-classified multilevel model helps estimating valid precision of effects, and thereby, support correct inferences.

PMID:35065230 | DOI:10.1016/j.jclinepi.2022.01.005

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Bivalirudin versus heparin in adult and pediatric patients with extracorporeal membrane oxygenation therapy: a systematic review and meta-analysis

Pharmacol Res. 2022 Jan 19:106089. doi: 10.1016/j.phrs.2022.106089. Online ahead of print.

ABSTRACT

BACKGROUND: Our study sought to investigate the efficacy and safety of bivalirudin versus those of unfractionated heparin (UFH) in patients undergoing extracorporeal membrane oxygenation (ECMO).

METHODS: PubMed, EMBASE and Cochrane Library were searched for studies enrolling ECMO patients on bivalirudin and UFH (from inception till July 2021). Meta-analysis was conducted. The I2 statistic and p value were used in measuring heterogeneity, and random effects or fixed-effect model was adopted. The Newcastle-Ottawa Scale was used for the risk of bias assessment. Sensitivity and subgroup analyses were undertaken. We performed Egger’s test to evaluate publication bias.

RESULTS: Fourteen eligible retrospective observational studies with 1501 subjects were identified. Compared with UFH, bivalirudin significantly reduced the risk of in-circuit thrombosis (OR = 0.44, 95% CI [0.31-0.61], p = 0.000), thrombosis (OR = 0.61, 95% CI [0.45-0.83], p = 0.002) and hospital mortality (OR = 0.78, 95% CI [0.61-0.99], p = 0.04) and had a positive impact on survival ECMO (OR = 1.50, 95% CI [1.04-2.16], p = 0.032). Decrease in risk of bleeding (OR = 0.36, 95% CI [0.14-0.91], p = 0.031) associated with bivalirudin was observed. Sources of heterogeneity were identified, and sensitivity analysis revealed similar results.

CONCLUSION: Our meta-analysis suggested that bivalirudin was associated with the decreased risk of in-circuit thrombosis, thrombosis, hospital mortality and bleeding in patients on ECMO and improved survival ECMO, indicating the superiority of bivalirudin to UFH in terms of efficacy and safety.

PMID:35065202 | DOI:10.1016/j.phrs.2022.106089