Study sample characteristics | Summary statistics* | |
Full population dataset | D-dimer analysis subset | |
Sample size | 60 877 | 31 817 |
Deceased | 12 430 (20.42) | 6633 (20.85) |
Thrombophilia | 9845 (16.17) | 5160 (16.22) |
Thrombosis history | 4085 (6.71) | 2147 (6.75) |
Mechanical ventilation | 6803 (11.17) | 3941 (12.39) |
Deceased or intubated | 13 960 (22.93) | 7478 (23.50) |
MI | 3625 (5.96) | 1732 (5.44) |
DVT/PE | 5150 (8.46) | 3000 (9.43) |
Stroke | 1891 (3.11) | 854 (2.68) |
PAO | 290 (0.48) | 100 (0.31) |
Age average (SD) | 61.70 (18.20) | 62.84 (16.54) |
Sex: male | 31 197 (51.25) | 16 969 (53.33) |
D-dimer average | — | 435.39% |
D-dimer median | — | 184.40% |
*With the exception of D-dimer statistics, sample size and age, data are otherwise reported as number (percentage) of patients within each dataset. D-dimer statistics are based on the upper bound of the normal range for each measure.
DVT, deep vein thrombosis; MI, myocardial infarction; PAO, peripheral arterial occlusion; PE, pulmonary embolism.