TABLE 4.

Adjusted Relative Mortality Risks Associated With Timing of Operative Fixation and ISS

ISS Group	Comparison	Adjusted Relative Risk (ARR)	95% CI Lower Bound	95% CI Upper Bound
9	>12 to 24; reference, ≤12 h	1.18	0.29	4.75
9	>24 to 48; reference, ≤12 h	2.21	0.69	7.07
9	>48 h to 30 d; reference, ≤12 h	4.82	1.64	14.14
9	>24 to 48; reference, >12 h to 24 h	2.61	0.68	9.98
9	>48 h to 30 d; reference, >12 h to 24 h	5.69	1.61	20.14
9	>48 h to 30 d; reference, >24 h to 48 h	2.18	0.81	5.85
10–15	>12 to 24; reference, ≤12 h	1.62	0.35	7.46
10–15	>24 to 48; reference, ≤12 h	1.66	0.45	6.13
10–15	>48 h to 30 d; reference, ≤12 h	4.19	1.28	13.74
10–15	>24 to 48; reference, >12 h to 24 h	2.69	0.48	15.17
10–15	>48 h to 30 d; reference, >12 h to 24 h	6.79	1.32	34.97
10–15	>48 h to 30 d; reference, >24 h to 48 h	2.53	0.60	10.56
16–25	>12 to 24; reference, ≤12 h	1.74	0.69	4.40
16–25	>24 to 48; reference, ≤12 h	1.16	0.33	4.02
16–25	>48 h to 30 day; reference, ≤12 h	1.76	0.58	5.33
16–25	>24 to 48; reference, >12 h to 24 h	1.50	0.41	5.55
16–25	>48 h to 30 d; reference, >12 h to 24 h	1.01	0.31	3.28
16–25	>48 h to 30 d; reference, >24 h to 48 h	1.52	0.36	6.39
26+	>12 to 24; reference, ≤12 h	3.85	0.97	15.28
26+	≤12; reference, >24 h to 48 h	4.16	1.03	16.75
26+	>48 h to 30 day; reference, ≤12 h	1.12	0.61	2.08
26+	>24 to 48; reference, >12 h to 24 h	1.08	0.16	7.13
26+	>48 h to 30 d; reference, >12 h to 24 h	4.33	1.05	17.79
26+	>48 h to 30 d; reference, >24 h to 48 h	4.68	1.12	19.46

Statistically significant ARRs are in bold.