Background Frailty is an important condition in elderly individuals because it increases disability, morbidity, and mortality. The definition frailty from the Cardiovascular Health Study (CHS) criteria is used worldwide and defined as fulfilling 3 out of the 5 phenotypic criteria that indicate compromised energetics: weakness, slowness, low level of physical activity, self-reported exhaustion, and unintentional weight loss. Objective This research aims to study the validity of 5 screening methods, e.g., Clinical Frailty Scale, simple FRAIL questionnaire, PRISMA-7 questionnaire, Time Up and Go Test (TUG), and Gérontopôle frailty screening tool (GFST), and compare those results with the definition of frailty by using the CHS criteria for screening frailty. Methods We conducted a cross-sectional study. The sample was 214 elderly individuals, aged ≥60 years, and living in the community. We used 5 screening tests and the Fried phenotype (CHS criteria) as a reference standard. Analysis of the sensitivity, specificity, PPV, NPV, LR+, LR-, and accuracy of each screening was compared with the Fried phenotype (CHS criteria). Results The prevalence of frailty of elderly individuals in the community was 11.7% when using the Fried phenotype (CHS criteria). The Clinical Frailty Scale has sensitivity 56%, specificity 98.41%, PPV 82.35%, NPV 94.42%, LR+ 35.28, LR- 0.45, and accuracy 93.46%. The simple FRAIL questionnaire has sensitivity 88%, specificity 85.71%, PPV 44.90%, NPV 98.18%, LR+ 6.61, LR- 0.14, and accuracy 85.98%. The PRISMA-7 questionnaire has sensitivity 76%, specificity 86.24%, PPV 42.22%, NPV 96.45%, LR+ 5.52, LR- 0.28, and accuracy 85.05%. TUG has sensitivity 72%, specificity 82.54%, PPV 35.29%, NPV 95.71%, LR+ 4.12, LR- 0.34, and accuracy 81.31%. The GFST has sensitivity 88%, specificity 83.56%, PPV 41.51%, NPV 98.14%, LR+ 5.37, LR- 0.14, and accuracy 84.11%. Conclusions The simple FRAIL questionnaire and GFST have the highest sensitivity compared with the CHS criteria. All screening tests in this study have an accuracy of more than 80% compared with the CHS criteria.
Purpose: We developed a virtual reality (VR) endotracheal intubation training that applied 2 interaction modalities (hand-tracking or controllersIt aimed to investigatedthe differences of usuability between using hand tracking and controllers during the VR intervention for intubation training for medical students from February 2021 to March 2021 in Thailand.Methods: Forty-five participants were divided into 3 groups: video only, video with VR controller training, and video with VR hand tracking training. Pre-test, post-test, and practice scores were used to assess learning outcomes. The System Usability Scale (SUS) and User Satisfaction Evaluation Questionnaire (USEQ) questionnaires were used to evaluate the differences between the VR groups. The sample comprised 45 medical students (undergraduate) who were taking part in clinical training at Walailak University in Thailand.Results: The overall learning outcomes of both VR groups were better than those of the video group. The post-test scores (P=0.581) and practice scores (P=0.168) of both VR groups were not significantly different. Similarly, no significant between-group differences were found in the SUS scores (P=0.588) or in any aspects of the USEQ scores.Conclusion: VR enhanced medical training. Interactions using hand tracking or controllers were not significantly different in terms of the outcomes measured in this study. The results and interviews provided a better understanding of support learning and training, which will be further improved and developed to create a self-learning VR medical training system in the future.
Increased visceral fat is associated with an increased mortality rate. Bioelectrical impedance analysis (BIA) is a noninvasive method to assess visceral fat that is easily accessible and avoids exposure to radiation. It is unknown how a visceral fat rating from a noninvasive machine correlates with the serum lipid profile and fasting blood sugar (FBS). The aim of this research is to study the correlation of the visceral fat rating obtained by a noninvasive method with the serum lipid profile and FBS. This cross-sectional study involved 90 obese adults, ranging in age from 18 to 60 years old. The visceral fat rating was measured by BIA. The results demonstrated that significant positive correlations were found between the serum triglycerides and visceral fat rating (r ¼ 0.287, P ¼ 0.006) and between the FBS and visceral fat rating (r ¼ 0.210, P ¼ 0.047). There was a negative correlation between the serum high-density lipoprotein (HDL) cholesterol and visceral fat rating (r ¼-0.322, P ¼ 0.002). In conclusion, statistically significant positive correlations were found between the serum triglycerides and visceral fat rating and between the FBS and visceral fat rating, and a negative correlation was found between the serum HDLcholesterol and visceral fat rating.
Purpose The Mini Nutritional Assessment (MNA) can be applied to assess nutrition status among community-dwelling elderly individuals by health care professionals. This study aimed to evaluate the correlation of MNA score and anthropometric measurements, gait speed, and handgrip strength among elderly community members. The secondary outcome was to compare the performance of the MNA-SF with the full MNA. Materials and Methods The study was a cross-sectional study with 176 elderly individuals aged ≥60 years living in rural southern Thailand. The MNA-SF and full MNA scores were obtained by using the standard form in the Thai version of the MNA. We collected anthropometric measurements, gait speed, handgrip strength, and MNA data. Results There was a significant positive correlation between body weight, BMI, waist circumference, hip circumference, waist-to-height ratio, waist-to-hip ratio, mid-upper arm circumference, calf circumference, triceps skinfold thickness, handgrip strength and full MNA total score using the partial correlation coefficient after controlling for age and sex. The MNA-SF had sensitivity of 78.79%, specificity of 81.82%, PPV of 50%, NPV of 94.35%, LR+ of 4.33, LR- of 0.26, accuracy of 81.25% and AUC 0.901 when using the full MNA as a reference standard. Conclusion The MNA correlated with many anthropometric measurements. The MNA-SF had a high specificity, NPV and accuracy of more than 80% when compared with the full MNA.
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