目的 探索体力活动相对活跃的2型糖尿病患者心肺耐力与不同类型体力活动的相关性,为2型糖尿病患者的运动指导提供依据。方法 2017年7月至11月,41例体力活动相对活跃的2型糖尿病患者采用国际体力活动问卷进行日常体力活动调查,采用递增功率的心肺运动试验进行心肺耐力测试,使用双变量相关和Logistic回归分析心肺耐力和不同类型体力活动之间的相关性。结果 双变量相关分析显示,休闲相关的活动量与2型糖尿病患者的峰值摄氧量、无氧阈摄氧量均呈正相关(r =0.393~0.503, P < 0.05)。Logistic回归分析显示,2型糖尿病患者心肺耐力是否正常仅与休闲相关的活动量相关(OR = 5.661, P = 0.017)。结论 休闲相关的活动量与体力活动相对活跃的2型糖尿病患者心肺耐力呈正相关,应该多鼓励2型糖尿病患者进行以锻炼身体为目的的活动,而非用其他类型的活动替代。
Objective To explore the association between cardiorespiratory fitness and physical activities in physically active patients with type 2 diabetes mellitus. Methods From July to November, 2017, 41 physically active patients with type 2 diabetes mellitus were measured physical activities with International Physical Activity Questionnaire, and cardiorespiratory fitness with cardiopulmonary exercise testing (CPET) by bicycle ergometer. The association between cardiorespiratory fitness and physical activity was analyzed with bivariate correlation analysis and Logistic regression. Results Leisure-time physical activities positively correlated with peak oxygen consumption and oxygen consumption at anaerobic threshold (r = 0.393-0.503, P < 0.05), while leisure-time physical activities independently and positively correlated with normal cardiorespiratory fitness (OR = 5.661, P = 0.017). Conclusion Leisure-time physical activities can improve the cardiorespiratory fitness in physically active patients with type 2 diabetes mellitus, which should be encouraged rather than other activities.
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