. Author manuscript; available in PMC: 2015 Aug 1.

Published in final edited form as: Ann Surg Oncol. 2014 Apr 21;21(8):2659–2666. doi: 10.1245/s10434-013-3472-x

TABLE 2.

Adjusted census-tract variability and hospital variability in postoperative complications and 30-day postoperative mortality among colorectal cancer patients

	Complication			30-day postoperative mortality
	Parameter	95 %	CI	Parameter	95 %	CI
Census-tract variability
Variance	0.09	0.06	0.12	0.56	0.28	0.83
MOR	1.34	1.28	1.40	2.03	1.67	2.39
Hospital variability
Variance	0.08	0.06	0.10	0.16	0.09	0.23
MOR	1.31	1.27	1.35	1.45	1.33	1.58

MOR median odds ratio, 95 % CI 95 %confidence interval