. Author manuscript; available in PMC: 2018 Sep 1.

Published in final edited form as: Dis Colon Rectum. 2017 Sep;60(9):905–913. doi: 10.1097/DCR.0000000000000874

Table 3.

Unadjusted and adjusted^a hospital and county variability in laparoscopic surgery utilization in SEER-Medicare colon cancer patients

	Unadjusted		Adjusted

	Hospital	County	Hospital	County

Variance	1.58 (P < 0.001)	0.09 (P < 0.05)	1.58 (P < 0.001)	0.07 (P < 0.05)
MOR^b	3.31	1.32	3.31	1.28

Adjusted for sex, race, comorbidity, Medicaid, age, AJCC tumor stage, tumor grade, tumor location, tumor histology, mean annual surgeon caseload, hospital size, hospital teaching status, and county-level percentage of the population living in poverty

MOR: Median odds ratio

P-values based on 1-tailed tests