期刊
JOURNAL OF EXERCISE REHABILITATION
卷 18, 期 3, 页码 214-221出版社
KOREAN SOC EXERCISE REHABILITATION
DOI: 10.12965/jer.2244232.116
关键词
2-Minute step test; Optimal cutoff score; Physical fitness test; Cardiorespiratory fitness; Type 2 diabetes mellitus
资金
- Thailand Science Research and Innovation Fund
- University of Phayao [FF65-UoE013]
- Exercise and Nutrition Inno-vation and Sciences Research Unit, Burapha University, Thailand
This study evaluated the accuracy of the 2-min step test in predicting cardiorespiratory fitness in type 2 diabetes patients and explored its association with other physical fitness tests. The results showed that the number of steps in the 2-min step test was positively correlated with walking distance and leg strength, and negatively correlated with the time to perform the sit-to-stand test. The study also established the optimal cutoff score for the 2-min step test to predict cardiorespiratory fitness in type 2 diabetes patients.
This study was carried out to evaluate sensitivity, specificity, and test cutoff score to predict cardiorespiratory fitness by using the 2-min step test (2MST) in patients with type 2 diabetes mellites (DM). The association of the 2MST and physical fitness tests including a 6-min walk test (6MWT), a 5 time sit-to-stand test (FTSST), and leg strength in the form of a leg performance test were also investigated. This study was cross-sectional and conducted in 100 type 2 DM patients. Patients were screened through health questionnaires, medical illness, general characteristics, and physical fitness tests; 2MST, 6MWT, FTSST, and leg strength. Blood was collected for assessment of fasting blood sugar and lipid profiles. The number of steps in the 2MST was positively correlated with the distance of the 6MWT (r=0.6995, P< 0.0001) and leg strength (r=0.4292, P< 0.0001). 2MST was negatively correlated with time to perform the FTSST (r= -0.405, P<0.0001). Moreover, this study established the optimal cutoff score of the 2MST at <= 61 steps with 9224% sensitivity, and 81.36% specificity to predict cardiorespiratory fitness in type 2 DM patients. Our findings indicate that the 2MST may be used as a predictor for walking capacity, leg strength, and ability to change position from sitting to standing in type 2 DM. In addition, this result may imply that patients with type 2 DM performing the 2MST at less than 61 steps was significantly associated with decreased cardio-respiratory fitness.
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