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Table 3 Secondary endpoints in unmatched and matched groups

From: Antithrombin use and 28-day in-hospital mortality among severe-burn patients: an observational nationwide study

Outcomes Unmatched groups Matched groups
Control (n = 3071) Antithrombin (n = 152) P value Control (n = 103) Antithrombin (n = 103) P value
Ventilator-free days 23.1 (10.0) 15.2 (13.2) <0.001 12.6 (12.9) 16.4 (12.8) 0.04
Post-admission complications
 Intracranial haemorrhage 9 (0.3) 2 (1.3) 0.09 0 (0) 0 (0) NA
 Gastrointestinal bleeding 19 (0.6) 0 (0) 1.0 2 (1.9) 0 (0) 0.50
 Thrombotic disorders 22 (0.7) 0 (0) 0.62 1 (1.0) 0 (0) 1.0
 Acute renal failure 116 (3.8) 26 (17.1) <0.001 13 (12.6) 18 (17.6) 0.43