Table 2.

Average change in select clinical variables for the nocturnal and conventional hemodialysis groups

VariableNocturnal HD, n=33Conventional HD, n=20
BaselineStudy EndChangeP ValueBaselineStudy EndChangeP Value
Dialysis time, h/wk11.4±1.121.1±1.69.6±1.6<0.00111.4±0.911.5±1.80.1±1.30.80
Blood flow rate, ml/min333±26a283±22−51±33<0.001354±27a354±302±140.48
Urea nitrogen, mg/dl68±1661±17−8±180.0768±1673±196±150.30
Urea reduction ratio72±9a84±812±21<0.00178±5a77±6−5±300.54
TAC urea, mg/dl43.9±11.535.4±10.4−9.0±12.30.1741.7±10.044.7±11.93.7±8.60.42
Phosphate, mg/dl5.5±1.84.3±1.2−1.3±1.7<0.0015.1±1.04.8±1.6−0.4±1.40.39
Albumin, g/dl3.4±0.4a3.5±0.40.1±0.40.483.6±0.5a3.6±0.4−0.1±0.40.63
nPCR1.0±0.21.1±0.20.1±0.20.641.1±0.21.1±0.30.1±0.20.40
Postdialysis weight, kg80±20a81±201±40.9569±17a68±17−1±30.77
  • The table presents values as mean±SD. Nocturnal HD, in-center extended duration nocturnal hemodialysis; conventional HD, standard duration conventional hemodialysis; TAC, time-averaged calculated; nPCR, normalized protein catabolic rate.

  • a Denotes P value <0.05 for comparison of the baseline variable between nocturnal and conventional groups.