TABLE 2.

Adjusted^* In-Hospital Mortality Rates (Shown as Percentages) With 95% CIs Associated With the Three Two-Way Interactions Involving Surgical Timing, ISS, and Patient Age

Surgical Timing	ISS			26+	Age, y
	9	10–15	16–25		>65	65+
≤12 h	0.31% (0.13–0.72)	0.54% (0.26–1.10)	1.53% (0.84–2.77)	5.24% (3.59–7.66)	0.80% (0.58–1.10)	2.62% (1.28–5.62)
>12 h to 24 h	0.26% (0.08–0.80)	0.33% (0.09–1.28)	2.65% (1.30–5.41)	1.36% (0.36–5.14)	0.57% (0.32–1.00)	1.94% (0.68–5.56)
>24 h to 48 h	0.68% (0.30–1.55)	0.89% (0.30–2.66)	1.76% (0.59–5.28)	1.26% (0.33–4.83)	0.48% (0.22–1.04)	4.25% (2.21–8.16)
>48 h to 30 d	1.48% (0.73–3.00)	2.25% (0.87–5.79)	2.68% (1.05–6.84)	5.90% (3.63–9.60)	1.24% (0.75–2.05)	8.48% (5.29–13.60)

^*In-hospital mortality rates adjusted for full model, surgical timing, injury severity, patient age, sex, race, and Deyo-Charlson comorbidities status.