Table 4 Risk factors for mortality assessed by univariate and multivariate Cox regression model
Variables | Univariate (n = 687) | Multivariate a (n = 687) | PSM b-Multivariate a (n = 250) | |||||
|---|---|---|---|---|---|---|---|---|
HR (95% CI) | P | HR (95% CI) | P | HR (95% CI) | P | |||
Sex (female vs. male) | 0.67 (0.51–0.89) | 0.01 | 0.64 (0.48–0.86) | <0.01 | 0.41 (0.23–0.74) | <0.01 | ||
Age at dialysis initiation (≥ 65 years) | 3.92 (2.99–5.15) | <0.01 | 2.35 (1.71–3.23) | <0.01 | 2.56 (1.26–5.18) | 0.01 | ||
CCI (≥ 5) | 4.11 (2.97–5.69) | <0.01 | 1.77 (1.17–2.68) | 0.01 | 1.20 (0.60–2.39) | 0.60 | ||
Diabetes | 2.46 (1.87–3.23) | <0.01 | 1.32 (0.89–1.96) | 0.16 | 1.43 (0.69–2.98) | 0.34 | ||
Cardiovascular disease | 1.40 (1.04–1.87) | 0.03 | 1.23 (0.88–1.70) | 0.22 | 0.88 (0.47–1.64) | 0.68 | ||
Congestive heart failure | 2.19 (1.61–2.98) | <0.01 | 1.77 (1.25–2.51) | <0.01 | 1.34 (0.54–3.33) | 0.53 | ||
Cerebrovascular disease | 3.16 (2.37–4.22) | <0.01 | 1.94 (1.42–2.64) | <0.01 | 2.36 (1.19–4.69) | 0.01 | ||
Triglyceride (mmol/L) | 0.88 (0.78–0.99) | 0.04 | 0.98 (0.86–1.12) | 0.81 | 1.00 (0.81–1.24) | 0.99 | ||
Plasma albumin (g/L) | 0.95 (0.93–0.98) | <0.01 | 0.98 (0.95–1.01) | 0.21 | 0.98 (0.93–1.04) | 0.55 | ||
Hemoglobin (g/L) | 0.98 (0.97–0.99) | <0.01 | 0.98 (0.97–0.99) | <0.01 | 0.97 (0.96–0.98) | <0.01 | ||
Dialysis methods (HD vs. PD) | 2.06 (1.43–2.97) | <0.01 | 1.09 (0.73–1.64) | 0.68 | 1.04 (0.61–1.78) | 0.89 | ||