Table 4.
Multivariate Cox regression for all-cause mortality.
| Univariate Analysis | Multivariate Analysis | |||
|---|---|---|---|---|
| Covariates | Hazards Ratio (95% CI) | p Value | Adjusted Hazards Ratio (95% CI) | p Value |
| Left Ventricular Systolic Dysfunction | 0.399 [0.318, 0.501] | <0.001 | 3.38 [1.74, 6.54] | <0.001 |
| Age | 1.04 [1.03, 1.05] | <0.001 | 1.07 [1.04, 1.09] | <0.001 |
| Female Sex | 1.01 [0.809, 1.26] | 0.921 | ||
| Race | ||||
| Chinese (REF) | 0.441 | |||
| Malay | 1.29 [0.989, 1.69] | 0.061 | 1.25 [0.676, 2.30] | 0.479 |
| Indian | 0.952 [0.587, 1.54] | 0.841 | 1.90 [0.719, 5.00] | 0.196 |
| Other | 0.434 [0.204, 0.922] | 0.030 | 0.615 [0.159, 2.38] | 0.481 |
| Hypertension | 1.26 [0.963, 1.64] | 0.093 | ||
| Dyslipidemia | 1.29 [1.04, 1.61] | 0.022 | 0.914 [0.545, 1.53] | 0.733 |
| Diabetes Mellitus | 1.72 [1.38, 213] | <0.001 | 1.84 [1.10, 3.07] | 0.020 |
| Atrial Fibrillation | 1.39 [1.11, 1.74] | 0.004 | 0.327 [0.115, 0.930] | 0.036 |
| Ischemic Heart Disease | 2.04 [1.64, 2.54] | <0.001 | 1.63 [0.895, 2.96] | 0.111 |
| National Institutes of Health Stroke Scale on arrival | 1.06 [1.04, 1.07] | <0.001 | 1.03 [0.991, 1.07] | 0.129 |
| TOAST Classification | ||||
| 1 (REF) | 0.001 | 0.054 | ||
| 2 | 1.57 [1.10, 2.26] | 0.014 | 1.83 [0.627, 5.33] | 0.269 |
| 3 | 0.704 [0.391, 1.27] | 0.242 | 0.814 [0.288, 2.30] | 0.699 |
| 4 | 0.761 [0.230, 2.51] | 0.653 | 0.978 [0.082, 11.7] | 0.986 |
| 5 | 0.703 [0.432, 1.14] | 0.156 | 0.351 [0.151, 0.817] | 0.015 |
| Recanalization | ||||
| No occlusion (REF) | 0.002 | 0.389 | ||
| Complete recanalization | 2.02 [1.33, 3.07] | 0.001 | 1.33 [0.598, 2.94] | 0.482 |
| Partial recanalization | 1.37 [0.732, 2.55] | 0.327 | 0.931 [0.327, 2.65] | 0.893 |
| No recanalization | 2.13 [1.34, 3.38] | 0.001 | 1.84 [0.764, 4.41] | 0.175 |
Bold values are statistically significant. Abbreviations: CI, Confidence Intervals.