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. 2022 Apr 4;224(1):607–611. doi: 10.1016/j.amjsurg.2022.03.040

Table 5.

Propensity score matched COVID positive to COVID negative trauma patients.

Variable COVID + Trauma Patients (n = 83) COVID - Trauma Patients (n = 1660) P-value
Age, y 37 (26–56) 38 (27–56) 0.9
Race
Asian/AI/NH/PI/Other 1 (1.2) 38 (2.3)
Black 58 (69.9) 1084 (65.3) 0.7
Unknown 4 (4.8) 120 (7.2)
White 20 (24.1) 418 (25.2)
Gender, male 53 (63.9) 1107 (66.7) 0.6
Frailty 15 (18.1) 224 (13.5) 0.2
Mechanism, blunt 66 (79.5) 1267 (76.3) 0.5
GCS score, total 15 (14-15 15 (15-15 0.2
ISS 10 (5–17) 10 (5–17) 0.6
Shock index 0.7 (0.7–0.9) 0.7 (0.7–0.9) 0.8
MTP activated 1 (1.2) 16 (1) 0.8
Emergent operation 46 (55.4) 983 (59.2) 0.5

* Patients matched in 1:20 fashion (1 COVID + to 20 COVID -) using calipers (0.2 x standard deviation) = 0.2 x 0.01 = 0.002.

**Continuous variables are presented as medians (IQR).

***Categorical variables are presented as count (percentage).