Table 4 Comparison of the patients’ background factors according to fatigue

Age (years, mean ± SD)

66.4 ± 11.4 (484)

66.1 ± 13.3 (124)

0.6187^c

Sex (male/female, %)

54.5/45.5 (484)

49.2/50.8 (124)

0.3134^a

BW (kg, mean ± SD)

58.0 ± 11.8 (479)

55.2 ± 11.0 (124)

0.0227^c

Laboratory parameter levels (mean ± SD)

 Hb (g/dL)

11.8 ± 1.8 (472)

11.0 ± 1.9 (121)

 < 0.0001^b

 CRP (mg/dL)

0.71 ± 1.36 (393)

1.68 ± 2.42 (103)

 < 0.0001^c

 Na (mmol/L)

141.5 ± 2.5 (449)

140.5 ± 2.8 (119)

0.0001^c

 K (mmol/L)

4.2 ± 0.4 (450)

4.2 ± 0.4 (118)

0.5770^c

 Corrected Ca (mg/dL)

9.3 ± 0.4 (330)

9.4 ± 0.4 (89)

0.0343^c

 BUN (mg/dL)

15.7 ± 5.4 (454)

15.5 ± 7.4 (118)

0.3630^c

 Scr (mg/dL)

0.84 ± 0.52 (462)

0.84 ± 0.69 (118)

0.6055^c

 Alb (g/dL)

3.8 ± 0.4 (424)

3.6 ± 0.5 (112)

 < 0.0001^c