Table 1 Characteristics of patients whose d-dimer was measured and computed tomography pulmonary angiography was performed, according to pulmonary embolism
PE negative n = 371 | PE positive n = 24 | P value† | |
|---|---|---|---|
Age, median (IQR), years | 75 (63–84) | 67 (49–76) | 0.02 |
Male sex | 163 (44) | 13 (54) | 0.40 |
Malignancya | 56 (15) | 3 (13) | 1.00 |
Prior PE or DVT | 8 (2) | 1 (4) | 0.43 |
Hormone use | 7 (2) | 0 (0) | 1.00 |
Wells score, median (IQR) | 0 (0–1.5) | 1.5 (0–3) | < 0.001 |
d-dimer value, median (IQR), μg/L | 1455 (976–3345) | 5035 (2025–8815) | 0.001 |