Mid-upper arm circumference, calf circumference and mortality in Chinese long-term care facility residents: a prospective cohort study

BMJ Open - Tập 8 Số 5 - Trang e020485 - 2018
Chien‐Hsiang Weng1,2,3, Chia-Ping Tien4, Tsai‐Chung Li5, Abby L’Heureux6, Chiu-Shong Liu4,7,8, Chi-Yi Lin4,7, Cheng‐Chieh Lin4,7,8, SW Lai4,7, Ming-May Lai4, Wen‐Yuan Lin4,7,8
1Department of Family Medicine, Brown University Warren Alpert Medical School, Providence, Rhode Island, USA
2Department of Family Medicine, Providence Community Health Centers, Providence, Rhode Island, USA
3NH Dartmouth Family Medicine Residency, Concord Hospital, Concord, New Hampshire, USA
4Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan
5Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
6Department of Family Medicine, Rural Medical Partners, Grand Forks, North Dakota, USA
7Department of Family Medicine, College of Medicine, China Medical University, Taichung, Taiwan
8Department of Social Medicine, College of Medicine, China Medical University, Taichung, Taiwan

Tóm tắt

ObjectiveTo investigate the association between mid-upper arm circumference (MUAC), calf circumference (CC) and all-cause mortality in a Chinese population.DesignProspective cohort study.SettingEight long-term care facilities in central Taiwan.ParticipantsA total of 329 residents age 60 years and older (median 79.0 years, range 60–101; 139 men, 190 women) were enrolled.MethodsAnthropometrics and metabolic parameters were measured at the time of enrolment to the study. Mean MUAC and CC were 24.2±3.4 cm and 27.5±4.3 cm, respectively. Mortality data were obtained from the Department of Health in Taiwan.Main outcome measureTo identify the association between all-cause mortality and MUAC or CC.ResultsThere were 255 deaths during the 7-year follow-up period. After adjusting for age, sex, cigarette smoking, betel nut chewing, alcohol use, Karnofsky Performance Status Scale score, serum albumin level, hypertension and diabetes mellitus, subjects in the highest tertile of MUAC (27.8±2.2 cm) and CC (32.1±2.6 cm) had a significantly lower mortality rate than did subjects in the lowest tertile (MUAC 20.6±1.7 cm; CC 22.8±1.9 cm). The adjusted HR for all-cause mortality in the highest versus lowest MUAC tertile was 0.64 (95% CI 0.45 to 0.90). The adjusted HR for all-cause mortality in the highest versus lowest CC tertile was 0.51 (95% CI 0.35 to 0.74).ConclusionsMUAC and CC are negative predictors for all-cause mortality in older Chinese adults living in long-term care facilities. Participants with higher MUAC and CC had lower all-cause mortality.

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BMJ Open

Tập 8 Số 5

e020485

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