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

Table 3 Adjusted OR and 95% confidence intervals (CI) of in-hospital deaths comparing patients from King Abdulaziz Medical City (KAMC) and the National Trauma Data Bank (NTDB) by injury severity score (ISS) category, age category and by head injuries status

ISS category ^¢	KAMC Mortality (%)	NTDB Mortality (%)	OR (95% CI) ^{^}
(1–8)	0.1	0.5	0.3 (0.0-1.2)
(9–15)	0.9	1.7	0.8 (0.5-1.2)
(16–24)	3.6	4.7	1.1 (0.7-1.6)
(25–75)	46.0	23.0	5.0 (4.3-5.8)
Age category ^¥			OR (95% CI) ^{^}
0-14	5.6	3.0	2.8 (1.6-3.1)
15-25	7.6	3.3	3.2 (2.6-3.9)
26-45	8.9	3.1	3.2 (2.5-4.0)
46-64	12.8	4.5	3.9 (2.6-5.6)
≥65	16.8	10.7	1.6 (1.0-2.6
Head injury ^§			OR (95% CI) ^{^}
No	1.9	3.8	1.9 (1.4-2.5)
Yes	17.0	6.6	3.3 (2.9-3.9)

^Interaction effects: p < 0.001.
OR Odds ratio;
^¢Model covariates: Age, gender, mechanism of injury, surgery, T-RTS, hypotension, head injury, indicator variable KAMC vs. NTDB, ISS and (KAMC vs. NTDB X ISS).
^¥Model covariates: Gender, mechanism of injury, surgery, T-RTS, hypotension, head injury, ISS, indicator variable KAMC vs. NTDB, age and (KAMC vs. NTDB X age).
^§Model covariates: Age, gender, mechanism of injury, surgery, T-RTS, hypotension, ISS, indicator variable KAMC vs. NTDB, head injury and (KAMC vs. NTDB X head injury).

ISSN: 2197-1714