Comparison of early hospital mortality odds ratios in subgroup analyses.

<p>Odds ratios are early hospital mortality odds ratios. <b>A.</b> Major trauma was defined as ICISS<0.9. The model was adjusted for sex, age, mechanism of injury, and ICISS. <b>B.</b> The model was adjusted for age, mechanism of injury, and ICISS. <b>C.</b> The model was adjusted for sex, mechanism of injury, and ICISS. <b>D.</b> The model was adjusted for sex, age, and ICISS. Abbreviations: ICD International Classification of Disease, ICISS ICD-derived Injury Severity Score. *P-value<0.05, compared to the reference category.