Table 3

Multi-Predictor Cox and Gray’s Survival Models for HEMO Dialysis Patients’ Population
Variables Cox-TVC Model Grays Model
H.R. P-value H.R. Range (min-max) P-value
Diabetes 1.57 [0.91, 2.73] 0.11 1.41-2.21 <0.01
Diabetes × time 1.13 [1.02, 1.25] 0.02 -- --
Age 1.44 [1.34, 1.55] 0.00 1.41-1.48 <0.01
Female Sex 1.08 [0.87, 1.34] 0.51 0.99-1.23 0.86
Diabetes × Sex 0.75 [0.55, 1.01] 0.06 0.59-0.85 0.05
Black Race 0.72 [0.62, 0.84] <0.01 0.65-0.83 <0.01
BMI 0.97 [0.95, 0.98] <0.01 0.95-0.99 <0.01
Yrs of Dialysis 1.03 [1.01, 1.04] 0.01 1.01-1.04 0.01
High Kt/V 0.97 [0.83, 1.12] 0.64 0.89-1.04 0.84
High Flux 0.94 [0.81, 1.09] 0.43 0.83-1.23 0.11
Access(Catheter vs. All other) 1.67 [1.24, 2.24] <0.01 1.41-2.00 <0.01
Comorbidity ICED Score 1.39 [1.26, 1.53] <0.01 1.23-1.55 <0.01
Blood Pressure
Systolic 0.98 [0.89, 1.09] 0.74 0.88-1.07 0.07
Diastolic 0.92 [0.83, 1.02] 0.12 0.89-0.95 0.30
Smoking (Smoked vs. Never) 1.15 [1.03, 1.27] 0.01 1.03-1.24 0.01
Calcium(mg/dL) 0.93 [0.87, 1.00] 0.07 0.87-1.00 0.04
Phosphorus(mg/dL) 1.12 [1.03, 1.21] 0.01 1.09-1.15 0.02
Albumin(mg/dL) 0.70 [0.62, 0.78] <0.01 0.61-0.77 <0.01

Abbreviations: BMI, body mass index; AVF, arteriovenous fistula; AVG, Arteriovenous grafts; ICED, Index of Coexistent Disease, H.R., hazard ratio.

Sattar et al.

Sattar et al. BMC Nephrology 2012 13:130   doi:10.1186/1471-2369-13-130

Open Data