Table 2 Univariate and multivariate Cox models for the effects of maximum walking speed on cardio-cerebrovascular events
Factors | Units of increase | Univariate Cox modela | Multivariate Cox modelb | ||
|---|---|---|---|---|---|
HR (95 % CI) | P | HR (95 % CI) | P | ||
Maximum walking speed | 10 m/min | 0.74 (0.63–0.86) | <0.001 | 0.77 (0.65–0.92) | 0.004 |
Age (years) | 1 year | 1.05 (1.01–1.08) | 0.006 | 1.03 (0.99–1.07) | 0.16 |
Men (vs. women) | – | 0.60 (0.33–1.11) | 0.10 | ||
Body mass index | 1 kg/m2 | 1.03 (0.93–1.13) | 0.61 | ||
Hemodialysis duration | 1 year | 1.01 (0.97–1.05) | 0.70 | ||
Diabetic nephropathy (presence) | 1 presence | 1.96 (1.06–3.60) | 0.03 | 1.93 (1.02–3.64) | 0.04 |
Comorbidity score | 1 | 1.11 (1.01–1.21) | 0.04 | 1.02 (0.92–1.14) | 0.70 |
Hemoglobin | 0.1 g/dL | 1.15 (0.85–1.56) | 0.35 | ||
Serum albumin | 0.1 g/dL | 0.42 (0.17–1.05) | 0.06 | ||
Serum C-reactive protein | 0.1 mg/dL | 1.21 (0.85–1.73) | 0.30 | ||