Table 3. Proportional hazards models of mortality using continuous values of biochemical parametersa

VariableOverall
RR (95% CI)P Value
a RR, risk ratio.
Age (per 10 yr)1.62 (1.43–1.83)<0.001
Gender (female versus male)1.19 (0.87–1.63)0.283
Diabetes1.84 (1.33–2.56)<0.001
Dialysis type (PD versus HD)1.21 (0.85–1.73)0.296
Dialysis duration (per 1 mo)1.01 (1.00–1.01)0.007
Race
    White1.00
    Asian0.64 (0.40–1.01)0.057
    other0.60 (0.42–0.87)0.006
Dialysis adequacy
    PRU ≤65, Kt/V ≤1.81.00
    PRU 66–70, Kt/V 1.9–2.10.69 (0.44–1.08)0.102
    PRU >70, Kt/V >2.10.86 (0.53–1.40)0.552
Hemoglobin (per 5 g/L)0.97 (0.92–1.02)0.194
Albumin (per 1 g/L)0.92 (0.88–0.96)<0.001
Ca (per 1 mmol/L)1.35 (0.61–2.97)0.459
Pi (per 1 mmol/L)1.56 (1.15–2.12)0.004
iPTH (per 1 log iPTH pmol/L)1.02 (0.91–1.52)0.715