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Abstract：
This study aimed to investigate the rate of sedentary behaviour and differences in physical outcomes and activities of daily living (ADL) based on sedentary behaviour time of hospitalized older cardiovascular disease patients undergoing phase I cardiac rehabilitation. Older cardiovascular disease patients were enrolled from October 2020 to September 2023 and were divided into the high sedentary behaviour group (≥ 480 min/day) and low sedentary behaviour group (< 480 min/day). Patients\' clinical characteristics, usual gait speed, and Five Times Sit to Stand Test time were compared as indices of physical outcomes. Motor, cognitive, and total Functional Independence Measure (FIM) scores were used as indices of ADL and compared between groups using analysis of covariance. Final analysis included 402 patients (mean age: 76.7 years, female: 35.3%). The high sedentary behaviour group included 48.5% of the study patients. After adjustment for baseline characteristics, gait speed (0.80 ± 0.27 vs. 0.96 ± 0.23 m/s, p < 0.001) was lower and FTSST time (11.31 ± 4.19 vs. 9.39 ± 3.11 s, p < 0.001) was higher in the high sedentary behaviour group versus low sedentary behaviour group. Motor (85.82 ± 8.82 vs. 88.09 ± 5.04 points, p < 0.001), cognitive (33.32 ± 2.93 vs. 34.04 ± 2.24 points, p < 0.001), and total FIM scores (119.13 ± 10.66 vs. 122.02 ± 6.30 points, p < 0.001) were significantly lower in the high sedentary behaviour group versus low sedentary behaviour group after adjustment. In older cardiovascular disease patients in phase I cardiac rehabilitation, sedentary behaviour time might influence physical outcomes and ADL at discharge. It is thus important to consider the amount of sedentary behaviour time spent by these patients during daily life while hospitalized.
摘要：
这项研究旨在调查久坐行为的发生率以及基于久坐行为时间的身体结果和日常生活活动（ADL）的差异。接受I期心脏康复的住院老年心血管疾病患者。从2020年10月至2023年9月招募老年心血管疾病患者，分为高久坐行为组（≥480分钟/天）和低久坐行为组（<480分钟/天）。患者的临床特征，通常的步态速度，并比较了五次站立测试时间作为身体结果的指标。电机,认知，和总功能独立性测量（FIM）得分被用作ADL的指标，并使用协方差分析在组间进行比较。最终分析包括402名患者（平均年龄：76.7岁，女性：35.3%）。高久坐行为组包括48.5%的研究患者。调整基线特性后，步态速度(0.80±0.27vs.0.96±0.23m/s,p<0.001）较低，FTSST时间（11.31±4.19vs.9.39±3.11s，p<0.001）在高久坐行为组中高于低久坐行为组。电机(85.82±8.82vs.88.09±5.04分,p<0.001)，认知(33.32±2.93vs.34.04±2.24分,p<0.001)，和FIM总分(119.13±10.66vs.122.02±6.30分,p<0.001）在调整后，高久坐行为组明显低于低久坐行为组。在I期心脏康复的老年心血管疾病患者中，久坐行为时间可能会影响出院时的身体结局和ADL。因此，重要的是要考虑这些患者在住院期间在日常生活中花费的久坐行为时间。
