Table 3.

Associations between interval from admission to surgery and outcomes for patients undergoing appendectomy, urgent hernia repair, and laparotomy with temporary abdominal closure (TAC) for abdominal sepsis.

	Appendectomy n = 618			Hernia repair n = 80			TAC for sepsis n = 102
Binary outcomes	OR	95% CI	p	OR	95% CI	p	OR	95% CI	p
Unplanned reoperation#	0.99	0.85, 1.16	0.937	1.02	0.99, 1.04	0.183	1.01	0.98, 1.04	0.441
Surgical site infection#	1.00	0.93, 1.08	0.935	1.02	1.00, 1.04	0.094	1.00	0.97, 1.03	0.982
Nosocomial infection†	0.95	0.76, 1.19	0.653	1.02	0.99, 1.05	0.148	1.00	0.97, 1.03	0.934
Inpatient mortality	-	-	-	-	-	-	1.01	0.98, 1.04	0.409
Readmission#	1.01	0.90, 1.14	0.867	1.01	0.99, 1.02	0.484	0.99	0.97, 1.02	0.476
Mortality#	-	-	-	1.02	0.99, 1.04	0.219	1.00	0.98, 1.02	0.869
Continuous outcomes	β	95% CI	p	β	95% CI	p	β	95% CI	p
Total antibiotic hours	0.89	-0.97, 2.69	0.239	1.60	0.01, 3.28	0.007	4.98	1.22, 9.30	0.006
Hospital length of stay (h)	1.14	0.33, 2.08	0.002	3.31	0.89, 4.85	0.002	3.85	0.32, 7.85	0.046
ICU length of stay (h)	0.319	0.07, 0.62	0.011	1.49	0.14, 2.48	0.001	3.47	0.33, 6.69	0.040
Total hospital charges	-56	-164, 75	0.165	1,918	273, 2,549	<0.001	3,919	1,522, 6,645	0.002

Binary variable outcomes are reported as odds ratios with 95% confidence intervals; continuous variable outcomes are reported as beta coefficients with t-statistics. ICU: intensive care unit.

^#within 180 days,

^†within 30 days