Baseline characteristics of 318 consecutive patients with acute pulmonary embolism
| Group | OR (95% CI) | p-value | ||
| cTnI-positive | cTnI-negative | |||
| Subjects n | 102 | 216 | ||
| Clinical characteristics | ||||
| Age >65 yrs | 86 (84) | 154 (71) | 2.2 (1.2–4.0) | 0.02 |
| Male | 44 (43) | 92 (43) | 1.0 (0.6–1.6) | 0.90 |
| Risk factors for venous thromboembolism | ||||
| Cancer | 18 (18) | 30 (14) | 1.3 (0.7–2.5) | 0.45 |
| Surgery | 10 (10) | 17 (8) | 1.5 (0.6–2.9) | 0.70 |
| Immobility for ≥4 days | 19 (19) | 32 (15) | 1.3 (0.7–2.5) | 0.46 |
| Previous venous thromboembolism | 12 (12) | 25 (12) | 1.0 (0.5–2.1) | 0.86 |
| Comorbid diseases | ||||
| Chronic lung disease | 14 (14) | 39 (18) | 0.7 (0.4–1.3) | 0.47 |
| Congestive heart failure | 19 (19) | 26 (12) | 1.7 (0.9–3.2) | 0.14 |
| Clinical presentation at admission | ||||
| Syncope | 34 (34) | 25 (12) | 3.8 (2.1–6.9) | <0.0001 |
| Chest pain | 43 (43) | 127 (59) | 0.5 (0.3–0.8) | 0.01 |
| Dyspnoea | 77 (77) | 155 (72) | 1.2 (0.7–2.1) | 0.42 |
| Cardiac frequency ≥100 beats·min−1 | 50 (50) | 79 (37) | 1.7 (1.0–2.7) | 0.04 |
| PO2 <60 mmHg | 52 (52) | 120 (56) | 0.8 (0.5–1.3) | 0.59 |
| Systolic blood pressure <120 mmHg | 37 (36) | 71 (33) | 1.2 (0.7–1.9) | 0.69 |
| ECG | ||||
| SI-QIII pattern | 16 (16) | 19 (9) | 1.9 (0.9–3.9) | 0.09 |
| Complete/incomplete right bundle branch block | 23 (23) | 24 (11) | 2.3 (1.2–4.4) | 0.008 |
| Inverted T-waves in V1 through V3 | 18 (18) | 25 (12) | 1.6 (0.8–3.2) | 0.20 |
Data are presented as n (%), unless otherwise stated. OR: odds ratio; CI: confidence interval; PO2: partial pressure of oxygen.