Table 3.
Cox proportional hazard regression analysis of mortality
| Variables | Univariate | Multivariate (Model 1) | Multivariate (Model 2) | |||
|---|---|---|---|---|---|---|
| HR (95%CI) | P | HR (95%CI) | P | HR (95%CI) | P | |
| Age | 1.07(1.03–1.13) | 0.002 | 1.06(1.01–1.12) | 0.011 | 1.03(0.98–1.09) | 0.298 |
| Sex | 0.43(0.23–0.77) | 0.005 | 0.41(0.22–0.79) | 0.008 | 0.42(0.19–0.95) | 0.036 |
| Smoking | 0.67(0.42–1.07) | 0.190 | ||||
| Drinking | 1.31(0.41–4.15) | 0.645 | ||||
| CI | 0.65(0.43–0.99) | 0.043 | 1.16(0.72–1.87) | 0.532 | 0.97(0.88–1.08) | 0.557 |
| COPD | 1.75(1.14–2.68) | 0.010 | 1.29(0.79–2.11) | 0.294 | 1.39(0.78–2.45) | 0.263 |
| CHD | 1.18(0.75–1.85) | 0.479 | ||||
| Diabetes | 1.01(0.65–1.57) | 0.969 | ||||
| Hypertension | 1.04(0.56–1.91) | 0.907 | ||||
| dyslipidemia | 1.12(0.67–1.86) | 0.672 | ||||
| Neoplasms | 0.59(0.37–0.96) | 0.032 | 2.41(1.45–4.01) | 0.001 | 1.77(0.94–3.32) | 0.080 |
| BMI | 0.91(0.83–0.99) | 0.025 | 0.97(0.88–1.07) | 0.557 | ||
| CC | 0.81(0.76–0.87) | < 0.001 | 0.86(0.76–0.97) | 0.015 | ||
| HGS | 0.97(0.94–1.01) | 0.111 | ||||
| FT3 | 0.43(0.31–0.59) | < 0.0001 | 0.65(0.49–0.87) | 0.004 | 0.63(0.41–0.96) | 0.031 |
| FT4 | 0.95(0.88–1.03) | 0.220 | ||||
| TSH | 1.01(1.00–1.01) | 0.901 | ||||
Age, sex, CI, COPD, Neoplasms, FT3 were included in the multivariate model 1. Age, sex, CI, COPD, Neoplasms, BMI, CC, FT3 were included in the multivariate model 2
Abbreviations: CI Cerebral infarction, COPD Chronic obstructive pulmonary disease, CHD Coronary heart disease, BMI Body mass index, CC Calf circumference; HGS: Handgrip strength, FT3 Free Triiodothyronine, FT4 Free Thyroxine, TSH Thyroid stimulating hormone