OR: Any Index UC Operation	95% CI	p-value
Sex
Female (referent)	-	-	-
Male	1.51	1.32–1.73	<0.001
Age Group
12 to 18	1.79	1.40–2.28	<0.001
19 to 30 (referent)	-	-	-
31 to 45	0.63	0.51–0.77	<0.001
45 to 64	0.49	0.40–0.59	<0.001
Region
Northeast (Referent)	-	-	-
North Central	1.95	1.59–2.39	<0.001
South	1.29	1.06–1.58	0.01
West	1.28	1.01–1.62	0.04
Unknown	1.3	0.78–2.16	0.32
Insurance Type
EPO/PPO (referent)	-	-	-
HMO/Cap POS	0.95	0.77–1.18	0.66
POS	1.05	0.82–1.34	0.71
HDHP/CDHP	1.04	0.81–1.34	0.73
Comp	1.39	0.94–2.06	0.10
Grouped Charlson Index
0 (referent)	-	-	-
1	1.77	1.48–2.11	<0.001
2+	3.92	3.32–4.62	<0.001