Table 3.
In-hospital mortality and its relative risk according to baseline patient characteristics (n = 3246).
| Characteristics | In-Hospital Mortality | Relative Risk (RR) (95% CI) |
χ2 Test p-Value |
|---|---|---|---|
| Troponin (×URL) | |||
| ≤1 (negative) | 5.5% | 1 | <0.001 |
| >1 (myocardial injury) | 22.7% | 4.1 (3.01, 5.59) | |
| Not measured | 11.9% | 2.2 (1.64, 2.84) | |
| Sex | |||
| Male | 11.2% | 1.1 (0.87, 1.30) | 0.522 |
| Female | 10.5% | 1 | |
| Age | |||
| <40 years | 2.5% | 1 | <0.001 |
| 40–59 years | 6.3% | 2.5 (1.47, 4.32) | |
| 60–69 years | 12.6% | 5.0 (2.92, 8.73) | |
| ≥70 years | 24.8% | 9.9 (5.96, 16.71) | |
| Oxygen saturation | |||
| >93% | 7.9% | 1 | <0.001 |
| ≤93% | 18.5% | 2.3 (1.94, 2.86) | |
| Diabetes | |||
| No | 8.8% | 1 | <0.001 |
| Yes | 17.1% | 1.9 (1.59, 2.37) | |
| Hypertension | |||
| No | 7.8% | 1 | <0.001 |
| Yes | 13.2% | 1.7 (1.37, 2.11) | |
| Heart failure | |||
| No | 10.4% | 1 | <0.001 |
| Yes | 24.8% | 2.4 (1.66, 3.38) | |
| Coronary artery disease | |||
| No | 10.4% | 1 | 0.001 |
| Yes | 17.5% | 1.7 (1.24, 2.29) | |
| Chronic heart disease | |||
| No | 10.4% | 1 | <0.001 |
| Yes | 20.4% | 2.0 (1.43, 2.70) | |
| Chronic kidney disease | |||
| No | 10.2% | 1 | <0.001 |
| Yes | 25.0% | 2.5 (1.83, 3.30) | |
| Total | 10.9% |
CI, confidence interval; URL, upper reference limit.