Table 2.

Multivariable regression models (n = 2555 episodes in 4247 patients)^a

Parameter	Negative Binomial Model			Andersen-Gill Model
Parameter	RR	95% CI	P	HR	95% CI	P
Age (per decade)	1.04	1.01 to 1.08	0.010	1.03	1.01 to 1.06	0.025
Black	1.37	1.00 to 1.88	0.050	1.47	1.15 to 1.88	0.002
Asian	0.89	0.74 to 1.08	0.240	0.91	0.78 to 1.06	0.230
Diabetes
female	1.27	1.10 to 1.47	0.001	1.31	1.17 to 1.48	<0.001
male	0.99	0.87 to 1.13	0.880	1.02	0.91 to 1.14	0.750
GN	0.87	0.75 to 1.00	0.050	0.86	0.76 to 0.97	0.015
Transfer from HD	1.24	1.11 to 1.38	<0.001	1.24	1.13 to 1.35	<0.001
Failed transplant	1.27	0.95 to 1.69	0.120	1.18	0.93 to 1.49	0.170
CAPD versusAPD^b	1.03	0.91 to 1.16	0.650	1.02	0.92 to 1.13	0.690

↵^a APD, automated PD; CI, confidence interval; GN, glomerulonephritis; HR, hazard ratio; RR, rate ratio.
↵^b Subgroup of 3180 patients who did not switch between CAPD and APD during their time on PD.