Table 1.

Baseline characteristics of the nocturnal and conventional hemodialysis groups

VariableNocturnal HD, n=33Conventional HD, n=20
Demographics
 Age, yr58±1154±13
 Men, %17 (52)12 (60)
 Ethnicity, %
  White13 (41)4 (20)
  Black6 (19)5 (25)
  Asian4 (13)4 (20)
  Other9 (28)7 (35)
 Cause of ESRD diabetes, %16 (49)4 (20)
 Dialysis vintage, mo19 (8, 46)43 (18, 67)
 Body mass index, kg/m228.4±6.125.5±5.0
Medical history
 Coronary artery disease, %10 (30)2 (10)
 Cancer, %4 (13)3 (15)
 Diabetes mellitus, %19 (58)6 (30)
 Hemoglobin A1c, %6 (6, 8)6 (5, 7)
 Peripheral vascular disease, %5 (15)3 (15)
Medications
 Erythropoietin use, %32 (97)17 (85)
 Statin use, %19 (51)12 (40)
  • The table presents subjects’ characteristics as mean±SD, median (quartile 1, quartile 3), or n (percent). Nocturnal HD, in-center extended duration nocturnal hemodialysis; conventional HD, standard duration conventional hemodialysis.