Table 2.
Prevalence of myocardial injury * among patients who underwent troponin measurement, according to baseline characteristics.
| Characteristics | Frequencies n (%) |
Prevalence of Myocardial Injury * | Prevalence Ratio (95% CI) | χ2 Test p-Value |
|---|---|---|---|---|
| Patients with measured troponin | 1476 (100) | 23.9% | ||
| Sex | ||||
| Male | 895 (60.6) | 25.5% | 1.2 (0.97, 1.43) | 0.081 |
| Female | 581 (39.4) | 21.5% | 1 | |
| Age | ||||
| <40 years | 254 (17.2) | 7.5% | 1 | <0.001 |
| 40 to 59 years | 609 (41.3) | 14.0% | 1.9 (1.16, 3.00) | |
| 60 to 69 years | 260 (17.6) | 33.1% | 4.4 (2.77, 7.04) | |
| ≥70 years | 353 (23.9) | 46.2% | 6.2 (3.95, 9.65) | |
| Oxygen saturation | ||||
| ≥94% | 1055 (71.5) | 21.1% | 1 | <0.001 |
| ≤93% | 421 (28.5) | 30.9% | 1.5 (1.21, 1.76) | |
| Diabetes | ||||
| No | 1103 (74.7) | 21.2% | 1 | <0.001 |
| Yes | 373 (25.3) | 31.9% | 1.5 (1.25, 1.81) | |
| Hypertension | ||||
| No | 614 (41.6) | 14.3% | 1 | <0.001 |
| Yes | 862 (58.4) | 30.7% | 2.1(1.72, 2.66) | |
| Heart failure | ||||
| No | 1428 (96.7) | 22.8% | 1 | <0.001 |
| Yes | 48 (3.3) | 58.3% | 2.6 (1.97, 3.30) | |
| Coronary artery disease | ||||
| No | 1363 (92.3) | 22.2% | 1 | <0.001 |
| Yes | 113 (7.7) | 44.2% | 2.0 (1.58, 2.50) | |
| Chronic heart disease | ||||
| No | 1384 (93.8) | 22.3% | 1 | <0.001 |
| Yes | 92 (6.2) | 47.8% | 2.1 (1.69, 2.71) | |
| Chronic kidney disease | ||||
| No | 1418 (96.1) | 22.8% | 1 | <0.001 |
| Yes | 58 (3.9) | 50.0% | 2.2 (1.67, 2.89) |
* Defined as troponin >1× upper reference limit. CI, confidence interval.