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Table 3 Pearson correlation coefficients relating fatigue characteristics to age, education, exercise, BDI-II, and nPCR on dialysis and non-dialysis days

From: Fatigue characteristics on dialysis and non-dialysis days in patients with chronic kidney failure on maintenance hemodialysis

Fatigue characteristics   Age Education Exercise BDI-II nPCR
Severity Dialysis day 0.21* ̶ 0.19 ̶ 0.21 0.30* −0.25*
Non-dialysis day 0.14 ̶ 0.25* ̶ 0.36* 0.43** −0.24*
Interference Dialysis day 0.21* ̶ 0.22* ̶ 0.20 0.41** −0.18
Non-dialysis day 0.28* ̶ 0.22* ̶ 0.25 0.45** −0.12
Global fatigue Dialysis day 0.23* ̶ 0.21* ̶ 0.22 0.40** −0.23*
Non-dialysis day 0.24* ̶ 0.24* ̶ 0.29* 0.47** −0.16
  1. BDI-II Beck Depression Inventory-II, nPCR normalized protein catabolic rate
  2. * P < 0.05
  3. **P < 0.0001