Table 1.

Demographic characteristics and laboratory valuesa

ParameterDiabetesNo DiabetesTotal
n5347100
Age (yr)
    mean ± SD64.8 ± 10.164.1 ± 17.264.5 ± 13.9
    range43 to 9026 to 8726 to 90
Time on dialysis (mo)
    mean ± SD29.7 ± 30.052.4 ± 49.0b40.4 ± 42.0
    range3 to 1686 to 2043 to 204
Origin: Arab/non-Arab22/319/38b31/69
Smoker: current/former4/84/18/9
BMI (kg/m2; mean ± SD)28.8 ± 6.627.2 ± 7.328.1 ± 6.9
Kt/V (mean ± SD)1.34 ± 0.231.40 ± 0.261.36 ± 0.23
Calcium (mg/dl; mean ± SD)9.3 ± 0.59.6 ± 0.6b9.4 ± 0.6
Phosphorus (mg/dl; mean ± SD)5.2 ± 1.35.3 ± 1.55.2 ± 1.4
Calcium-phosphorus product (mg2/dl2; mean ± SD)48.1 ± 11.850.8 ± 15.149.3 ± 13.5
iPTH (pg/ml; mean ± SD)109 ± 93187 ± 180b146 ± 145
25(OH)D3 (μg/L; mean ± SD)16.6 ± 9.121.1 ± 10.8b18.6 ± 10.1
Calcitriol (pg/ml; mean ± SD)13.9 ± 5.018.8 ± 9.0b16.1 ± 7.4
Albumin (g/dl; mean ± SD)3.8 ± 0.33.9 ± 0.33.8 ± 0.3
Hemoglobin (g/dl; mean ± SD)11.8 ± 1.212.0 ± 1.211.9 ± 1.2
Iron (μg/dl; mean ± SD)70.7 ± 24.572.7 ± 22.571.6 ± 23.5
Vitamin B12 (ng/L; mean ± SD)609.0 ± 265.0634.0 ± 289.0621.4 ± 275.8
Ferritin (μg/L; mean ± SD)1105.0 ± 526.01180.0 ± 689.01140.8 ± 606.0
CRP (mg/dl; mean ± SD)2.04 ± 3.561.46 ± 1.471.77 ± 2.80
  • a 25(OH)D3, 25-hydroxyvitamin D3; BMI, body mass index; CRP, C-reactive protein; iPTH, intact parathyroid hormone;

  • b P < 0.05, diabetes versus no diabetes.