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Nevin Manimala Statistics

Did the increase in sitting time due to COVID-19 lead to obesity in adolescents?

BMC Pediatr. 2023 Jan 4;23(1):5. doi: 10.1186/s12887-022-03807-z.

ABSTRACT

INTRODUCTION: Since adolescent with obesity is closely linked with the incidence of cardiovascular disease, it is important to identify the factors that increase the prevalence of adolescent with obesity and prevent it early. This study aimed to examine which of the demographic and lifestyle factors including sitting hours per week for purposes other than study had the greatest influence on Korean adolescents with obesity during the coronavirus disease 2019 (COVID-19) pandemic.

METHODS: We used the Korean Youth Risk Behavior Web-based Survey (KYRBWS) data. The primary outcome was the relationship between sitting hours and obesity during and after the COVID-19 pandemic. Multiple logistic regression analysis was performed to examine which of the demographic and lifestyle factors including sitting hours per week for purposes other than study had the greatest influence on Korean adolescents’ obesity status.

RESULTS: The prevalence of obesity was significantly higher during the COVID-19 than before the COVID-19 (OR, 1.268, CI:1.232-1.305). There was a significant increase in the OR for sitting hours per week for purposes other than study (OR, 1.021, 95% CI, 1.019-1.024). Compared to low household income, the OR decreased for middle (OR = 0.798, 95% CI:0.77, 0.826) and high-income household students (OR, 0.833, 95% CI: 0.803-0.865).

DISCUSSION/CONCLUSION: The results of this study confirmed the relationship between sit-ting hours and obesity in adolescents during the pandemic. To prevent adolescent with obesity, further studies are needed to focus on the importance of promoting health policy in adolescents to avoid the continuous rising of its prevalence and needed to understand whether the increase in obesity rates during the pandemic is a temporary trend.

PMID:36597058 | DOI:10.1186/s12887-022-03807-z

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Prognostic significance of inflammatory and nutritional markers in perioperative period for patients with advanced gastric cancer

BMC Cancer. 2023 Jan 3;23(1):5. doi: 10.1186/s12885-022-10479-6.

ABSTRACT

BACKGROUND: It has been reported that inflammatory and nutritional markers are related to prognosis in numerous malignancies. The present study analyzed the significance of these markers’ alterations during neoadjuvant chemotherapy in the long-term outcomes in patients with advanced gastric cancer.

METHODS: A retrospective review was performed of 437 advanced gastric cancer patients who underwent a neoadjuvant chemotherapy (NACT) regimen followed by surgical treatment. Inflammatory and nutritional markers measured from the blood samples collected from the patients before the first neoadjuvant chemotherapy and after the last neoadjuvant chemotherapy were used for analysis. Statistical analysis, including Mann-Whitney U or chi-square tests, the Kaplan-Meier method and Cox multivariate analysis, were performed to analyze the predictive value of these markers for overall survival outcomes (OS).

RESULTS: Most biomarkers, including lymphocyte, leucocyte, neutrophil, monocyte, platelet, LMR, PLR, SII, CRP, CAR, hemoglobulin and albumin levels, changed during NACT (P < 0.05). After separately grouping the patients based on the normal range of hematologic indexes and the change rate (α) of systemic inflammatory and nutritional markers by the cutoff value derived from X-tile (P < 0.05), we found that differentiation, TRG, pre-NACT BMI, pre-NACT platelet counts, post-NACT lymphocyte counts, the change in lymphocyte counts, change in platelet counts and LMR(α), PLR(α), SII(α), and CAR(α) were associated with OS. Multivariate analysis revealed that PLR (α) > – 19% was correlated with a 3.193-fold (95% CI: 2.194-4.649) higher risk of death (P < 0.001) than others.

CONCLUSION: NACT could significantly change several inflammatory and nutritional markers in the perioperative period; the platelet counts before NACT, and the change in lymphocytes during NACT truly correlated with long-term outcomes among patients with advanced gastric cancer. The systemic inflammatory marker PLR may be a reliable marker for the prediction of prognosis.

PMID:36597055 | DOI:10.1186/s12885-022-10479-6

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Nevin Manimala Statistics

Psychometric properties of the Chinese version of the Cognitive Reserve Assessment Scale in Health in patients with cancer

BMC Psychiatry. 2023 Jan 3;23(1):5. doi: 10.1186/s12888-022-04506-w.

ABSTRACT

BACKGROUND: Cognitive reserve is a modifiable factor that could prevent cognitive decline in patients with cancer. The Cognitive Reserve Assessment Scale in Health (CRASH) is an instrument used to assess cognitive reserve. This study aims to develop and examine the psychometric properties of the Chinese version of the CRASH for patients with cancer.

METHODS: A cross-sectional survey was conducted with 167 cancer patients from four wards of two hospitals in China. Thirty-one patients were re-assessed to examine the test-retest reliability. Four translators and three reviewers developed the Chinese version of the scale. We assessed its structural validity, concurrent validity, internal consistency, test-retest reliability, measurement error, and floor/ceiling effects.

RESULTS: Confirmatory factor analysis showed a good model fit with the four-factor structure of the original CRASH. The CRASH scores were statistically significantly associated with neuropsychological test scores, indicating sufficient concurrent validity. The internal consistency was acceptable, except for leisure activities, with standardized Cronbach’s alphas (0.64-0.94) and standardized Omega (0.66-0.95). There was excellent test-retest reliability, with a high intraclass correlation coefficient (0.914-0.993) of total scores and scores for each domain. The measurement error was acceptable, and no floor or ceiling effects were observed.

CONCLUSIONS: The Chinese version of the CRASH is a valid and reliable instrument to assess cognitive reserve in patients with cancer. Moreover, cognitive reserve measured by the CRASH was associated with low cognitive performance in cancer patients.

PMID:36597052 | DOI:10.1186/s12888-022-04506-w

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Nevin Manimala Statistics

Diagnostic value of peripheral TiM-3, NT proBNP, and Sestrin2 testing in left-to-right shunt congenital heart disease with heart failure

BMC Pediatr. 2023 Jan 4;23(1):7. doi: 10.1186/s12887-022-03823-z.

ABSTRACT

BACKGROUND: Left-to-right shunt congenital heart disease is more likely to induce recurrent respiratory infections in the patients which exacerbate pulmonary hypertension and thereby impairs cardiac function. It is urgent to explore a non-invasive and accurate diagnostic method that can show the cardiac anatomy and associated malformations in clinical research.

OBJECTIVE: To determine the diagnostic value of peripheral mucin domain protein-3 (Tim-3), N-terminal pro-brain natriuretic peptide (NT proBNP), sestrin2 testing in patients with the left-to-right shunt congenital heart disease and heart failure.

METHODS: Fifty-two neonates with with left to right shunt congenital heart disease and 30 healthy neonates were enrolled. Blood samples were collected within 24 h of admission from newborns for determining the content of TiM-3, NT proBNP, and Sestrin2. Analyzing the ROC curve provided insight into the diagnostic accuracy. Both a Spearman’s rank correlation test and a logistic regression analysis were carried out.

RESULTS: TiM-3, NT proBNP, and Sestrin2 levels in peripheral blood were statistically different in the three groups (P < 0.05). There were significant differences in LVEF and LVFS among the three groups (P < 0.05). When used to diagnose heart failure in conjunction with left-to-right shunt congenital heart disease, TiM-3, NT proBNP, and Sestrin2 exhibited sensitivity of 58.3, 58.3, and 83.3%, respectively, and specificity of 85.0, 72.5, and 70.0%. ROC curve analysis showed that the AUCs of Tim-3, NT proBNP, and sestrin2 in predicting the outcome of left-to-right shunted congenital heart disease combined with heart failure were 0.744 (95% CI, 0.580 to 0.908), 0.608 (95% CI, 0.359 to 0.857), respectively 0.744 (95% CI 0.592 to 0.896).

CONCLUSION: Tim-3, NT proBNP, and sestrin2 can accurately differentiate heart failure from non-combined heart failure from left-to-right shunt congenital heart disease.

PMID:36597051 | DOI:10.1186/s12887-022-03823-z

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Nevin Manimala Statistics

A gene based combination test using GWAS summary data

BMC Bioinformatics. 2023 Jan 3;24(1):2. doi: 10.1186/s12859-022-05114-x.

ABSTRACT

BACKGROUND: Gene-based association tests provide a useful alternative and complement to the usual single marker association tests, especially in genome-wide association studies (GWAS). The way of weighting for variants in a gene plays an important role in boosting the power of a gene-based association test. Appropriate weights can boost statistical power, especially when detecting genetic variants with weak effects on a trait. One major limitation of existing gene-based association tests lies in using weights that are predetermined biologically or empirically. This limitation often attenuates the power of a test. On another hand, effect sizes or directions of causal genetic variants in real data are usually unknown, driving a need for a flexible yet robust methodology of gene based association tests. Furthermore, access to individual-level data is often limited, while thousands of GWAS summary data are publicly and freely available.

RESULTS: To resolve these limitations, we propose a combination test named as OWC which is based on summary statistics from GWAS data. Several traditional methods including burden test, weighted sum of squared score test [SSU], weighted sum statistic [WSS], SNP-set Kernel Association Test [SKAT], and the score test are special cases of OWC. To evaluate the performance of OWC, we perform extensive simulation studies. Results of simulation studies demonstrate that OWC outperforms several existing popular methods. We further show that OWC outperforms comparison methods in real-world data analyses using schizophrenia GWAS summary data and a fasting glucose GWAS meta-analysis data. The proposed method is implemented in an R package available at https://github.com/Xuexia-Wang/OWC-R-package CONCLUSIONS: We propose a novel gene-based association test that incorporates four different weighting schemes (two constant weights and two weights proportional to normal statistic Z) and includes several popular methods as its special cases. Results of the simulation studies and real data analyses illustrate that the proposed test, OWC, outperforms comparable methods in most scenarios. These results demonstrate that OWC is a useful tool that adapts to the underlying biological model for a disease by weighting appropriately genetic variants and combination of well-known gene-based tests.

PMID:36597047 | DOI:10.1186/s12859-022-05114-x

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Nevin Manimala Statistics

Replication in Evidence-Based Aphasia Treatments

J Speech Lang Hear Res. 2023 Jan 3:1-9. doi: 10.1044/2022_JSLHR-21-00688. Online ahead of print.

ABSTRACT

PURPOSE: A critical review was completed to evaluate replication of aphasia treatments that have been vetted and accepted on the American Speech-Language-Hearing Association Practice Portal.

METHOD: The electronic databases Academic Search Premier, ProQuest Central, CINAHL Complete, and ERIC were searched for relevant articles using treatment names as keywords. Coders compared stimuli, material, design, and statistical analysis to pilot treatment approaches. Each study was coded as direct, conceptual, failed, or no replication.

RESULTS: Eighteen treatment approaches were selected for this review. A total of 188 articles met the inclusion criteria. Results revealed that 14 out of 18 treatment approaches were somehow replicated. Direct replications as the most valuable replication type for affirming previously found results were represented in only 1.5% of all studies (3/188). Failed direct replication were at 2% overall (4/188). Conceptual replications were more common across treatment approaches, but also represented at a low level with 22.8% (43/188). The majority of studies were coded as no replication attempt with 73.4%.

DISCUSSION: A critical factor in developing an evidence-based practice is the existence of replicated results for treatment. Replication evaluates the reproducibility of an author’s or authors’ research methodology and resulting outcomes and helps to ensure that observed treatment effects are reproducible. For an evidence-based treatment to be implemented or used in any clinical setting, it must be one that can be replicated. Direct and conceptual replications of aphasia treatment approaches were found to be alarmingly low considering the importance of replication in our field. It is recommended that replication should become more valued and mainstreamed in aphasia research. A replication database that compiles and maintains treatment manuals for replication purposes can increase the accessibility and acceptability of replications for researchers.

PMID:36596266 | DOI:10.1044/2022_JSLHR-21-00688

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Nevin Manimala Statistics

Use of and Satisfaction With Mobile Health Education During the COVID-19 Pandemic in Thailand: Cross-sectional Study

JMIR Form Res. 2022 Dec 27. doi: 10.2196/43639. Online ahead of print.

ABSTRACT

BACKGROUND: RamaCovid is a mobile health (mHealth) education system that provides the Thai population with information about COVID-19 and self-risk assessment. RamaCovid has a chatbot system that provides automatic conversations (available 24 hours per day) and a live chat function that allows users to directly communicate with health professionals (available 4 hours per day in the evening). The system consists of (1) COVID-19 vaccine information, (2) self-care after vaccination, (3) frequently asked questions, (4) self-risk assessment, (5) hospital finding, (6) contact number finding, and (7) live chat with a health professional.

OBJECTIVE: This study investigates the use of and satisfaction with the RamaCovid system.

METHODS: Overall, 400 people were recruited via RamaCovid by broadcasting an infographic about the study. Questionnaires collected demographic data, users’ experiences of RamaCovid, and the use of and satisfaction with the system. The questions were answered using a 5-point Likert scale. Descriptive statistics were used to describe the participant characteristics and their use of and satisfaction with the RamaCovid system. The Mann-Whitney U test was performed to examine the difference in use and satisfaction between the adult and older adult groups.

RESULTS: The participants showed high use of and satisfaction with the RamaCovid system. They used the information to take care of themselves and their family, and they gained information about their COVID-19 risk. The users were satisfied with the system because the information was easy to understand, trustworthy, and up to date. However, the older adult group had lower use of and satisfaction with the system compared to the adult group.

CONCLUSIONS: RamaCovid is an example of the successful implementation of mHealth education. It was an alternative way to work with the call center during the COVID-19 pandemic and increased access to health information and health care services. Providing ongoing updated information, improving the attractiveness of the media information, and the age group difference are important issues for further system development.

PMID:36596210 | DOI:10.2196/43639

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Doppler ultrasound findings in symptomatic pregnant women diagnosed with COVID-19

J Obstet Gynaecol. 2022 Oct;42(7):2680-2683. doi: 10.1080/01443615.2022.2081799. Epub 2022 Jun 4.

ABSTRACT

The primary aim of this study was to investigate the potential impact of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection on maternal and foetal Doppler findings. Doppler ultrasound findings were compared in 40 pregnant women diagnosed with COVID-19 disease who required hospitalisation (group 1) and 30 healthy pregnant women (group 2). Maternal characteristics and birth histories were recorded. Body mass index, gestational week at birth, type of delivery, oligihydroamnios, pre-term birth (<37 weeks), low birth weight (<10 percentile), perinatal death and f1st and 5th minute Apgar scores were recorded. Birth weights and foetal biophysical profile (BPP) scores in group 1 were significantly lower than those in group 2. There was a statistically significant between-group difference in the umbilical artery pulsatility index (PI), umbilical artery resistive index (RI), middle cerebral artery (MCA) PI, MCA RI, mean uterine artery (UtA) PI, mean UtA RI and cerebroplacental ratio (CPR), the parameters used to evaluate foetal-maternal blood flow. In the pregnant group diagnosed with COVID-19 and hospitalised, all foetal-maternal Doppler indicators of foetal-maternal blood flow were impaired, and birth weights and BPP scores in these patients were statistically significantly lower than those in the healthy controls.Impact statementWhat is already known on this subject? Foetal and maternal vascular malperfusion characterised by decidual arteriopathy have been reported in pathologies of placentas from pregnant women with SARS-CoV-2 infection.What the results of this study add? It was determined that COVID-19 disrupted foetal and maternal blood flow.What the implications are of these findings for clinical practice and/or further research? Foetal biometric measurements and foetal Doppler may be useful in the follow-up of perinatal outcomes in pregnant women with COVID-19.

PMID:36596209 | DOI:10.1080/01443615.2022.2081799

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Nontargeted metabolomic analysis of four different parts of Actinidia arguta by UPLC-Q-TOF-MSE

Food Res Int. 2023 Jan;163:112228. doi: 10.1016/j.foodres.2022.112228. Epub 2022 Dec 5.

ABSTRACT

Actinidia arguta, an edible berry plant with high nutritional values, has been widely used in Asian countries as a food and traditional medicinal herb. The well-recognized health-promoting properties of A. arguta were associated with its bioactive components in its different botanical parts. To rapidly screen and identify chemical components and simultaneously determine the potential metabolites from different parts of A. arguta, UPLC-Q-TOF-MSE coupled with UNIFI platform and multivariate statistical analysis approach was established in this study. As a result, a total of 107 components were identified from the four different parts of A. arguta, in which 31 characteristic chemical markers were discovered among them, including 12, 8, 6, and 5 compounds from the fruits, leaves, roots, and stems, respectively. These results suggested that the combination of UPLC-Q-TOF-MSE and metabolomic analysis is a powerful method to rapidly screen characteristic markers for the quality control of A. arguta.

PMID:36596158 | DOI:10.1016/j.foodres.2022.112228

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Nevin Manimala Statistics

The relationship between ecological factors and commercial quality of high-quality foxtail millet “Jingu 21”

Food Res Int. 2023 Jan;163:112225. doi: 10.1016/j.foodres.2022.112225. Epub 2022 Nov 23.

ABSTRACT

The commercial quality of foxtail millet grain (Setaria italica L.) includes appearance quality, functional quality, and cooking and eating quality, which directly determine whether consumers will purchase the product. We studied the relationship between ecological factors and commercial quality attributes of foxtail millet “Jingu 21” from twelve production areas. The results showed that altitude, latitude, and diurnal temperature range were negatively correlated with b*, total flavones content (TFC), setback (SB), consistence (CS) and pasting temperature (PTM), but positively correlated with L/B and breakdown (BD). In contrast, average temperature, average precipitation, average humidity, available nitrogen, phosphorus, and potassium had positive effects on 1,000-grain weight (KGW), b*, TFC, CS, and PTM and had a negative impact on L/B and BD. Climate factors had a greater effect on the commercial quality of foxtail millet than soil factors, and the influence of climatic factors was particularly obvious in the early and middle growth periods. The multivariate equation between ecological factors and the comprehensive score of foxtail millet commercial quality is Y = 1,159.745-4.496X1 (altitude) + 19.529X5 (≥10℃ effective accumulated temperature) – 166.327X10 (organic matters). In conclusion, high temperature and precipitation are conducive to high quality appearance and the accumulation of functional substances, while a high diurnal temperature range and high soil nutrients are conducive to the formation of cooking and eating quality. The impact of ecological factors on foxtail millet quality is complicated and it is essential to select a cultivation site that is matched to the intended use of the foxtail millet being produced.

PMID:36596154 | DOI:10.1016/j.foodres.2022.112225