| Univariable Cox regression model | Multivariable Cox regression model 1 | Multivariable Cox regression model 2 | |||
---|---|---|---|---|---|---|
 | HR (95% CI) | P value | HR (95% CI) | P value | HR (95% CI) | P value |
Primary endpoint: cardiac death | ||||||
 Per 1 ms/increasea | 0.978 (0.968–0.987) | P < 0.001 | 0.978 (0.967–0.989) | P < 0.001 | 0.979 (0.968–0.991) | P < 0.001 |
 ≥75.9 ms group vs < 75.9 ms group | 0.169 (0.080–0.355) | P < 0.001 | 0.197 (0.090–0.428) | P < 0.001 | 0.224 (0.103–0.489) | P < 0.001 |
Secondary endpoint: all-cause mortality | ||||||
 Per 1 ms/increasea | 0.983 (0.976–0.991) | P < 0.001 | 0.984 (0.976–0.993) | P < 0.001 | 0.986 (0.978–0.995) | P = 0.003 |
 ≥75.9 ms group vs < 75.9 ms group | 0.291 (0.176–0.482) | P < 0.001 | 0.351 (0.205–0.600) | P < 0.001 | 0.394 (0.231–0.674) | P = 0.001 |