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Table 2 Estimated Odds Ratios (OR) and 95% confidence intervals (CI) from a multivariable logistic regression of predictors of in-hospital mortality among trauma patients from King Abdulaziz Medical City (KAMC) and the National Trauma Data Bank (NTDB)

From: In-hospital mortality among patients injured in motor vehicle crashes in a Saudi Arabian hospital relative to large U.S. trauma centers

Variable Complete case model (N = 490,901) Excluding deaths in the ED (N = 446,687)
OR (95% CI) OR (95% CI)
Age category   
0-14 Reference Reference
15-25 1.1 (1.0-1.2) 1.1 (1.0-1.2)
26-45 1.2 (1.1-1.3) 1.2 (1.1-1.3)
46-64 2.2 (2.0-2.4) 2.2 (2.0-2.4)
≥65 9.2 (8.4-10.0) 9.0 (8.1-9.9)
Male 1.1 (1.0-1.1) 1.1 (1.0-1.1)
Role   
Occupant Reference Reference
Motorcycle 0.9 (0.8-1.0) 0.9 (0.9-1.0)
Pedestrians 1.4 (1.3-1.5) 1.5 (1.1-1.5)
Bicyclists 1.0 (0.8-1.2) 1.2 (1.0-1.4)
T-RTS 0.6 (0.6-0.7) 0.6 (0.6-0.6)
Head injury 1.1 (1.1-1.2) 1.2 (1.2-1.3)
Surgery 1.6 (1.5-1.6) 2.0 (1.9-2.1)
Hypotension 3.0 (2.8-3.1) 1.8 (1.7-1.9)
ISS category   
(0–9) Reference Reference
(10–24) 2.5 (2.3-2.7) 3.2 (2.9-3.5)
(25–44) 4.6 (4.2-4.9) 7.3 (6.6-8.0)
(45–75) 15.5 (14.5-16.6) 26.9 (24.5-29.5)
KAMC vs. NTDB 2.9 (2.6-3.3) 2.3 (2.0-2.7)