TABLE 5.

Adjusted Relative Mortality Risks Associated With ISS by Surgical Timing

Surgical Timing	ISS Comparison			Adjusted Relative Risk (ARR)	95% CI Lower Bound	95% CI Upper Bound
≤12 h	10–15	Reference	9	1.75	0.57	5.35
	16–25	Reference	9	4.97	1.75	14.08
	26+	Reference	9	17.08	6.71	43.49
	16–25	Reference	10–15	2.84	1.12	7.23
	26+	Reference	10–15	9.76	4.33	22.00
	26+	Reference	16–25	3.44	1.70	6.97
>12 h to 24 h	10–15	Reference	9	1.27	0.22	7.29
	16–25	Reference	9	10.19	2.71	38.31
	26+	Reference	9	5.24	0.92	29.86
	16–25	Reference	10–15	8.00	1.74	36.70
	26+	Reference	10–15	4.11	0.62	27.28
	26+	Reference	16–25	1.94	0.43	8.77
>24 h to 48 h	10–15	Reference	9	1.31	0.34	5.04
	16–25	Reference	9	2.60	0.67	10.05
	26+	Reference	9	1.86	0.39	8.92
	16–25	Reference	10–15	1.98	0.42	9.24
	26+	Reference	10–15	1.42	0.25	7.96
	26+	Reference	16–25	1.40	0.25	7.89
>48 h to 30 d	10–15	Reference	9	1.52	0.49	4.69
	16–25	Reference	9	1.81	0.57	5.71
	26+	Reference	9	3.98	1.72	9.24
	16–25	Reference	10–15	1.19	0.32	4.46
	26+	Reference	10–15	2.62	0.91	7.54
	26+	Reference	16–25	2.20	0.77	6.29

Statistically significant ARRs are in bold.