Table 1.

Demographics and baseline characteristics of hemodialysis patients in oral calcitriol and IV vitamin D analog groups

Cohort CharacteristicsOral Calcitriol, n=2280IV Vitamin D, n=2280Standardized Mean Differencea
Age, yr62±1461±145.1
Sex: female963 (42%)963 (42%)0
Race
 White904 (40%)904 (40%)0
 Black1306 (57%)1306 (57%)0
 Other70 (3%)70 (3%)0
Ethnicity: Hispanic or Latino164 (7%)164 (7%)0
Vintage, mo55±44, 44 [23, 73]56±45, 45 [22, 75]1.0
Vascular access: catheter171 (8%)171 (8%)0
Body mass index, kg/m229.6±7.629.8±7.82.9
Diabetes mellitus1534 (67%)1520 (67%)1.1
Peripheral artery disease290 (13%)284 (12%)0.8
COPD or asthma187 (8%)185 (8%)0.3
Congestive heart failure489 (21%)505 (22%)1.7
Cerebrovascular disease219 (10%)220 (10%)0.1
Coronary artery disease446 (20%)447 (20%)0.1
Albumin, g/dl4.0±0.34.0±0.32.1
Calcium, mg/dl9.2±0.69.2±0.61.9
Phosphate, mg/dl5.2±1.35.1±1.21.8
Intact parathyroid hormone, pg/dl412±302, 321 [220, 497]407±271, 335 [230, 506]1.8
Postdialysis systolic BP, mm Hg138±19138±181.3
  • Data represented as means±SD, n (%), or median [25th, 75th percentile]. IV, intravenous; COPD, chronic obstructive pulmonary disease.

  • a Absolute standardized mean difference, in percentage of 1 SD. Standardized differences <10% indicate similarity.