. Author manuscript; available in PMC: 2016 Jul 4.

Published in final edited form as: Kidney Int. 2016 Jan 4;89(1):185–192. doi: 10.1038/ki.2015.321

Table 3.

Multivariable cox regression analysis of incident chronic kidney disease risk among participants with urolithiasis.

	Model 1			Model 2			Model 3			Model 4

Covariate	HR	95% CI	p	HR	95% CI	p	HR	95% CI	p	HR	95% CI	p
Female	1.65	(1.40, 1.95)	<0.001	1.65	(1.40, 1.95)	<0.001	1.65	(1.40, 1.95)	<0.001	1.65	(1.40, 1.95)	<0.001
Age (yr)	1.09	(1.08, 1.10)	<0.001	1.09	(1.08, 1.10)	<0.001	1.09	(1.08, 1.10)	<0.001	1.09	(1.08, 1.10)	<0.001
Diabetes	2.28	(1.77, 2.94)	<0.001	2.29	(1.77, 2.95)	<0.001	2.31	(1.79, 2.98)	<0.001	2.32	(1.80, 2.99)	<0.001
Gout	1.94	(1.34, 2.83)	<0.001	1.95	(1.34, 2.83)	<0.001	1.96	(1.35, 2.84)	<0.001	1.96	(1.35, 2.85)	<0.001
Calendar yr	0.92	(0.90, 0.95)	<0.001	0.92	(0.90, 0.95)	<0.001	0.92	(0.90, 0.95)	<0.001	0.92	(0.90, 0.95)	<0.001
SWL kidney	0.99	(0.76, 1.30)	0.95							0.99	(0.76, 1.30)	0.97
SWL ureter				1.15	(0.72, 1.85)	0.55				1.19	(0.74, 1.91)	0.47
URS							0.70	(0.49, 1.00)	0.05	0.70	(0.49, 1.00)	0.05

SWL – extracorporeal shock wave lithotripsy, URS – ureteroscopy