scholarly journals Validity and reliability of the one-minute sit-to-stand test for the measurement of cardio-respiratory responses in children with cystic fibrosis

Pulmonology ◽  
2021 ◽  
Author(s):  
Yann Combret ◽  
Guillaume Prieur ◽  
Fairuz Boujibar ◽  
Francis-Edouard Gravier ◽  
Pauline Smondack ◽  
...  
PLoS ONE ◽  
2021 ◽  
Vol 16 (2) ◽  
pp. e0246781
Author(s):  
Yann Combret ◽  
Fairuz Boujibar ◽  
Charlotte Gennari ◽  
Clément Medrinal ◽  
Sophie Sicinski ◽  
...  

Background Functional exercise capacity assessment is recommended in children with cystic fibrosis (CF). The six-minute walk test (6MWT) is a valid evaluation of exercise capacity but can be technically complex. Inversely, the sit-to-stand test (STST) is a simple method to evaluate exercise capacity, and is validated in healthy children and adults with CF. This study aimed to evaluate STST measurement properties in children and adolescents with CF. Methods In this multicenter study, children with CF (6 to 18 years) performed two iterations of both the STST and the 6MWT in a randomized order. Criterion validity was determined by assessing correlations between STST repetitions and 6MWT distance (6MWD). Intra-rater reliability, test-retest repeatability, mean bias and limits of agreement were also assessed. Relationships with other outcomes (i.e. respiratory and quadriceps muscle strength) and cardio-respiratory responses were analysed for both tests. Results Thirty-six children with CF were included (mean age 12.0 ±3.5 years and FEV1 95.8 ±25.0%). On average, 39.6 ±10.5 repetitions were performed during the STST and mean 6MWD was 596.0 ±102.6 meters. STST number of repetitions was significantly correlated with 6MWD (r = 0.48; p<0.01). Both tests had very good intra-rater reliability (ICCSTST = 0.91 (95%CI 0.76–0.96) and ICC6MWT = 0.94 (95%CI 0.85–0.97)), and a significant test-retest learning effect. The number of STST repetitions was not correlated with quadriceps or respiratory muscle strength test, and the STST induced fewer cardio-respiratory responses than the 6MWT. Conclusions The STST is an easy-to-use functional test with moderate criterion validity when compared to the 6MWT in children with CF, probably because both tests measure different components of functional exercise capacity. The STST is useful when the 6MWT is unfeasible, however further investigations are required to explore the clinical implications of STST results in children with CF. Clinical trial registration NCT03069625.


2020 ◽  
Vol 74 (9) ◽  
Author(s):  
Surachart Thongchoomsin ◽  
Sunee Bovonsunthonchai ◽  
Leonard Joseph ◽  
Samatchai Chamnongkich

2022 ◽  
Vol 12 (1) ◽  
pp. 117
Author(s):  
Naomichi Matsunaga ◽  
Tadashi Ito ◽  
Yuji Ito ◽  
Jun Mizusawa ◽  
Yingzhi Gu ◽  
...  

Children with behavioral problems have a high risk of impaired motor performance. However, the characteristics of balance functions and their associations with behavioral traits are unclear in this population. This study aimed to evaluate balance functions and their relationships with the degree of behavioral problems in school-aged children. A total of 209 children, aged 6–10 years, were divided into two groups, those with and those without behavioral problems, using the Strengths and Difficulties Questionnaire (SDQ). Physical assessments included the one-leg standing test (OLST), the two-step test, and the five-times-sit-to-stand test. We compared the data between groups and assessed for correlations in terms of total difficulties and the SDQ subscale scores. Children with behavioral problems showed significantly reduced the OLST results (p < 0.001) and the two-step test results (p = 0.008). The five-times-sit-to-stand test results did not show significant differences between groups. The OLST results were significantly correlated with emotional symptoms (r = −0.22, p < 0.001), hyperactivity/inattention (r = −0.29, p < 0.001), peer relationship problems (r = −0.22, p < 0.001), and total difficulties (r = −0.32, p < 0.001). Meanwhile, the two-step test results showed no significant correlation with the SDQ scores. Children with behavioral problems have poor balance function, thereby increasing the risk for instability. This suggests that the balance function of children with behavioral problems needs to be considered.


2017 ◽  
Vol 16 (6) ◽  
pp. 744-751 ◽  
Author(s):  
Thomas Radtke ◽  
Helge Hebestreit ◽  
Milo A. Puhan ◽  
Susi Kriemler

Sensors ◽  
2021 ◽  
Vol 21 (6) ◽  
pp. 2050
Author(s):  
Diogo Luís Marques ◽  
Henrique Pereira Neiva ◽  
Ivan Miguel Pires ◽  
Eftim Zdravevski ◽  
Martin Mihajlov ◽  
...  

Smartphone sensors have often been proposed as pervasive measurement systems to assess mobility in older adults due to their ease of use and low-cost. This study analyzes a smartphone-based application’s validity and reliability to quantify temporal variables during the single sit-to-stand test with institutionalized older adults. Forty older adults (20 women and 20 men; 78.9 ± 8.6 years) volunteered to participate in this study. All participants performed the single sit-to-stand test. Each sit-to-stand repetition was performed after an acoustic signal was emitted by the smartphone app. All data were acquired simultaneously with a smartphone and a digital video camera. The measured temporal variables were stand-up time and total time. The relative reliability and systematic bias inter-device were assessed using the intraclass correlation coefficient (ICC) and Bland-Altman plots. In contrast, absolute reliability was assessed using the standard error of measurement and coefficient of variation (CV). Inter-device concurrent validity was assessed through correlation analysis. The absolute percent error (APE) and the accuracy were also calculated. The results showed excellent reliability (ICC = 0.92–0.97; CV = 1.85–3.03) and very strong relationships inter-devices for the stand-up time (r = 0.94) and the total time (r = 0.98). The APE was lower than 6%, and the accuracy was higher than 94%. Based on our data, the findings suggest that the smartphone application is valid and reliable to collect the stand-up time and total time during the single sit-to-stand test with older adults.


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