Univariate analysis by Cox proportional hazard method
| Baseline | p Value | Hazard ratio (95% CI) | % Change | p Value | Hazard ratio (95% CI) | |
|---|---|---|---|---|---|---|
| HR (beats/min) | 77 (16) | 0.03 | 1.026 (1.002 to 1.050) | 6 (20) | 0.3 | 0.987 (0.967 to 1.008) |
| PR interval (ms) | 181 (36) | 0.6 | 1.002 (0.993 to 1.012) | 2 (17.6) | 0.9 | 1.001 (0.981 to 1.022) |
| QRS duration (ms) | 115 (26) | 0.001 | 1.016 (1.006 to 1.027) | 6 (12) | <0.0001 | 1.038 (1.015 to 1.061) |
| QT interval (ms) | 392 (52) | 0.25 | 0.996 (0.989 to 1.003) | 1 (11.6) | 0.2 | 1.018 (0.992 to 1.044) |
| QTc interval (ms) | 442 (52) | 0.5 | 1.002 (0.996 to 1.009) | 1 (11) | 0.1 | 1.031 (0.994 to 1.069) |
| RR interval (ms) | 815 (185) | 0.01 | 0.996 (0.993 to 0.999) | 7 (27) | 0.5 | 1.003 (0.986 to 1.020) |