Table 5.

Cox proportional hazards analysis of technique failurea

CharacteristicRelative RiskP Value
aRelative risks are given for the presence versus the absence of the comorbidity factor. P values are derived from the T statistics. Significant P values are printed in bold.
PD1.39 0.02
Age [per year older than the mean]1.03 <0.001
Cardiovascular disease1.24>0.1
Diabetes mellitus1.81 <0.001
Hypertension0.85>0.2
COPD1.09>0.5
Hypercholesterolemia0.97>0.1
Chronic liver disease0.98>0.5
Autoimmune disease1.44>0.2
Started second period0.98>0.5
Male gender1.05>0.5