College of Sport Science, Sungkyunkwan University, Suwon 16419, Korea.
Int J Environ Res Public Health. 2019 May 10;16(9):1633. doi: 10.3390/ijerph16091633.
This study examined the association between cardiorespiratory fitness (CRF) without exercise testing and all-cause mortality in Korean older adults. The present study was carried out using data from the 2008 and 2011 Living Profiles of Older People Survey. A total of 14,122 participants aged 60 years and older (57% women) completed the 2008 baseline and 2011 follow-up assessments (i.e., socioeconomic status, health behaviors and conditions, and prevalence of chronic diseases), and they were included for the final analyses. CRF was estimated (eCRF) with sex-specific algorithms and classified as lower (lowest 25%), middle (middle 50%), and upper (highest 25%). Cox proportional hazards regression was used to calculate hazard ratios (HRs) and 95% confidence intervals (CIs) across eCRF categories. In total, multivariable-adjusted HRs and 95% CIs were 1 for the upper eCRF group (referent), 1.059 (0.8141.378) for the middle eCRF group, and 1.714 (1.3042.253) for the lower eCRF group. In men, multivariable-adjusted HRs and 95% CIs were 1 for the upper eCRF group (referent), 1.011 (0.7161.427) for the middle eCRF group, and 1.566 (1.0982.234) for the lower eCRF group. In women, multivariable-adjusted HRs and 95% CIs were 1 for the upper eCRF group (referent), 1.064 (0.7071.602) for the middle eCRF group, and 1.599 (1.0322.478) for the lower eCRF group. The current findings suggest that eCRF may have an independent predictor of all-cause mortality, underscoring the importance of promoting physical activity to maintain a healthful level of CRF in Korean geriatric population.
本研究旨在探讨无需进行运动测试的心肺适能（CRF）与韩国老年人全因死亡率之间的关联。本研究使用了 2008 年和 2011 年生活老年人调查的资料。共有 14122 名年龄在 60 岁及以上的参与者（57%为女性）完成了 2008 年基线和 2011 年随访评估（即社会经济状况、健康行为和状况以及慢性病患病率），并纳入最终分析。CRF 采用性别特异性算法进行评估（eCRF），并分为较低（最低 25%）、中等（中间 50%）和较高（最高 25%）。采用 Cox 比例风险回归计算 eCRF 各分类的风险比（HR）和 95%置信区间（CI）。总的来说，多变量调整后的 HR 和 95%CI 为上 eCRF 组（参照组）为 1，中 eCRF 组为 1.059（0.8141.378），下 eCRF 组为 1.714（1.3042.253）。在男性中，多变量调整后的 HR 和 95%CI 为上 eCRF 组（参照组）为 1，中 eCRF 组为 1.011（0.7161.427），下 eCRF 组为 1.566（1.0982.234）。在女性中，多变量调整后的 HR 和 95%CI 为上 eCRF 组（参照组）为 1，中 eCRF 组为 1.064（0.7071.602），下 eCRF 组为 1.599（1.0322.478）。目前的研究结果表明，eCRF 可能是全因死亡率的独立预测因素，这突显了在韩国老年人群中促进体力活动以保持健康的 CRF 水平的重要性。
