Table 3.

Cox proportional-hazards model for technique failure and patient mortality

Variable	Univariate Cox regression analysis			Multivariate cox regression analysis
	HR	95% CI	P value	HR	95% CI	P value
Technique failure
Time to first peritonitis (EOP vs LOP)	1.801	0.996 to 3.257	0.051	1.801	0.996 to 3.257	0.051
Age (years)	1.004	0.982 to 1.026	0.742
Sex (men vs women)	1.045	0.578 to 1.892	0.884
Smoking (yes vs no)	1.112	0.583 to 2.120	0.747
Drinking (yes vs no)	0.750	0.371 to 1.517	0.424
Charlson Comorbidity Index score	1.103	0.972 to 1.252	0.130
Body mass index (kg/m2)	1.043	0.953 to 1.140	0.361
Haemoglobin (g/L)	1.003	0.990 to 1.016	0.655
Total cholesterol (mmol/L)	0.979	0.784 to 1.222	0.849
Total triglyceride (mmol/L)	0.936	0.676 to 1.297	0.691
Serum albumin (g/L)	0.990	0.941 to 1.040	0.686
Total Kt/V	1.008	0.737 to 1.379	0.959
Diabetes (yes vs no)	1.383	0.742 to 2.579	0.307
Patient mortality
Time to first peritonitis (EOP vs LOP)	1.968	1.006 to 3.851	0.048	1.010	0.391 to 2.606	0.984
Age (years)	1.037	1.014 to 1.061	0.002	1.002	0.973 to 1.031	0.917
Sex (men vs women)	0.862	0.498 to 1.492	0.596
Smoking (yes vs no)	0.755	0.344 to 1.659	0.484
Drinking (yes vs no)	0.489	0.200 to 1.191	0.115
Charlson Comorbidity Index score	0.999	0.878 to 1.138	0.990
Body mass index (kg/m2)	0.977	0.872 to 1.096	0.695
Haemoglobin (g/L)	0.996	0.981 to 1.011	0.591
Total cholesterol (mmol/L)	0.835	0.647 to 1.078	0.167
Total triglyceride (mmol/L)	0.956	0.664 to 1.378	0.810
Serum albumin (g/L)	0.949	0.907 to 0.993	0.025	0.965	0.897 to 1.039	0.346
Total Kt/V	0.650	0.409 to 1.033	0.069	0.683	0.425 to 1.099	0.116
Diabetes (yes vs no)	1.176	0.672 to 2.057	0.570