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letter
. 2021 Apr 8;27(4):348–351. doi: 10.1016/j.pulmoe.2021.03.007

Table 2.

Age-adjusted d-dimers for predicting pulmonary embolism in hospitalized COVID-19 patients with suspected pulmonary embolism: contingency table for sensitivity and specificity calculation.

Age-adjusted d-dimers Total (n = 157) PE (n = 23) No PE (n = 134)
Positive 73 15 58
Negative 20 0 20
d-Dimers non available 64 8 56

Data are presented as numbers.

Age-adjusted d-dimers cut-off level (ng/ml) was age multiplied by 10. d-Dimers were considered positive if they were above this threshold.

Abbreviation: PE: pulmonary embolism.