Table 1—

Baseline characteristics of 318 consecutive patients with acute pulmonary embolism

GroupOR (95% CI)p-value
cTnI-positivecTnI-negative
Subjects n102216
Clinical characteristics
 Age >65 yrs86 (84)154 (71)2.2 (1.2–4.0)0.02
 Male44 (43)92 (43)1.0 (0.6–1.6)0.90
Risk factors for venous thromboembolism
 Cancer18 (18)30 (14)1.3 (0.7–2.5)0.45
 Surgery10 (10)17 (8)1.5 (0.6–2.9)0.70
 Immobility for ≥4 days19 (19)32 (15)1.3 (0.7–2.5)0.46
 Previous venous thromboembolism12 (12)25 (12)1.0 (0.5–2.1)0.86
Comorbid diseases
 Chronic lung disease14 (14)39 (18)0.7 (0.4–1.3)0.47
 Congestive heart failure19 (19)26 (12)1.7 (0.9–3.2)0.14
Clinical presentation at admission
 Syncope34 (34)25 (12)3.8 (2.1–6.9)<0.0001
 Chest pain43 (43)127 (59)0.5 (0.3–0.8)0.01
 Dyspnoea77 (77)155 (72)1.2 (0.7–2.1)0.42
 Cardiac frequency ≥100 beats·min−150 (50)79 (37)1.7 (1.0–2.7)0.04
PO2 <60 mmHg52 (52)120 (56)0.8 (0.5–1.3)0.59
 Systolic blood pressure <120 mmHg37 (36)71 (33)1.2 (0.7–1.9)0.69
ECG
 SI-QIII pattern16 (16)19 (9)1.9 (0.9–3.9)0.09
 Complete/incomplete right bundle branch block23 (23)24 (11)2.3 (1.2–4.4)0.008
 Inverted T-waves in V1 through V318 (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.