Retrospective Study
Copyright ©The Author(s) 2025.
World J Crit Care Med. Mar 9, 2025; 14(1): 100486
Published online Mar 9, 2025. doi: 10.5492/wjccm.v14.i1.100486
Table 1 Demographic and clinical data according to D-dimer level, n (%)

Total (n = 3004)
Normal D-dimer level (n = 1027)
Abnormal D-dimer level (n = 1977)
P value
Gender< 0.001
Female1605 (53.43)504 (49.1)1101 (55.7)
Age (year)< 0.001
Mean (SD)50.17 (16.92)47.19 (15.53)51.72 (17.40)
Median (interquartile range)48.00 (24.00)45.00 (21.00)51.00 (26.00)
Quartile 1, quartile 338.00, 62.0037.00, 58.0038.00, 64.00
Minimum, maximum2.00, 101.002.00, 99.002.00, 101.00
Year< 0.001
2020612 (20.37)222 (21.62)390 (19.73)
2021523 (17.41)143 (13.92)380 (19.22)
2022482 (16.05)147 (14.31)335 (16.94)
20231387 (46.17)515 (50.15)872 (44.11)
Severity of coronavirus disease 2019


< 0.001
Severe1425 (47.44)294 (28.63)1131 (57.21)