Table 3.

Random serum glucose concentration and patient survival on dialysis

VariableP, HR (95% CI)
Single Variable (n = 435, 2652 obs)Add Demographics (n = 434, 2641 obs)Add Comorbidities (n = 434, 2641 obs)Add Hemoglobin, Phosphorus, Albumin (n = 419, 2621 obs)Best-fit Model (n = 421, 2627 obs)
Glucose (per 10 mg/dl change)0.80, 0.998 (0.98 to 1.02)0.87, 0.999 (0.98 to 1.02)0.99, 1.00 (0.98 to 1.02)0.83, 1.00 (0.99 to 1.02)
Age (HR = 1-year increase)<0.001, 1.02 (1.01 to 1.04)<0.001, 1.03 (1.01 to 1.04)0.001, 1.03 (1.01 to 1.04)<0.001, 1.03 (1.01 to 1.04)
Gender (female = reference)0.45, 1.13 (0.82 to 1.58)0.29, 1.20 (0.86 to 1.67)0.51, 1.12 (0.80 to 1.57)
Race (African American versus Caucasian)0.21, 0.76 (0.55 to 1.06)0.19, 0.75 (0.54 to 1.04)0.31, 0.77 (0.55 to 1.08)
BMI (HR = 1 kg/m2 increase)0.003, 0.96 (0.93 to 0.98)0.007, 0.96 (0.94 to 0.99)0.06, 0.97 (0.95 to 1.001)
CVD (no versus yes)0.99, 0.997 (0.71 to 1.40)0.76, 1.06 (0.75 to 1.49)
Cancer (no versus yes)0.62, 1.16 (0.64 to 2.13)0.38, 1.32 (0.71 to 2.44)
PVD (no versus yes)<0.001, 0.49 (0.33 to 0.71)<0.001, 0.49 (0.34 to 0.72)<0.001, 0.49 (0.35 to 0.70)
Vintage (HR = 1-year increase)0.78, 1.01 (0.95 to 1.07)0.65, 1.02 (0.95 to 1.08)
Hemoglobin (HR = 1 g/dl increase)0.002, 0.82 (0.72 to 0.93)0.003, 0.82 (0.73 to 0.94)
Phosphorus (HR = 1 mg/dl increase)0.95, 1.00 (0.91 to 1.10)
Albumin (HR = 1 g/dl increase)<0.001, 0.35 (0.25 to 0.49)<0.001, 0.33 (0.24 to 0.46)
  • BMI, body mass index; CI, confidence interval; CVD, cardiovascular disease; HR, hazard ratio; obs, number of unique observations; PVD, peripheral vascular disease.