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Table 3 Baseline patient characteristics and SF-36 domains stratified by nPCR levels

From: Relationship between Kt/V urea-based dialysis adequacy and nutritional status and their effect on the components of the quality of life in incident peritoneal dialysis patients

  nPCR  
<1.2 (n = 55) 1.2 (n = 22)  
Median (Range) Median (Range) P
Age (years) 50.7 (17.6 - 80.1) 47.5 (19.9 - 68.1) 0.665
Gender, Male (n) 5 33 0.780*
DM, n (%) 2 (18.2) 20 (30.3) 0.392a
BMI 24.4 (16.4 – 35.2) 20.6 (14.4 – 25.8) <0.001
PD modality, CAPD/APD (n) 26/29 16/6 <0.01 *
Hb (g/dL) 9 (3 - 13) 8.8 (6 - 11) 0.388
Albumin (g/dL) 3.6 (2.4 - 69) 3.5 (2.3 - 4.7) 0.663
GPT (U/L) 15 (3 - 458) 13.5 (7 - 39) 0.885
Cr (mg/dL) 11.5 (5.4 - 21.7) 12.6 (3.9 - 20.1) 0.564
hs-CRP (mg/L) 3.33 (0.2 - 199) 7.86 (0.5 - 65.2) 0.299
Peritoneal Kt/V urea 1.36 (0.7 - 2.3) 1.43 (0.7 - 2.2) 0.051
Residual renal Kt/V urea 0.54 (0 - 1.44) 0.91 (0 - 4.1) 0.009
Total Kt/V urea 1.92 (1.1 - 3.0) 2.34 (1.8 - 4.8) <0.001
Peritoneal WCcr L/week/1.73m2 35.3 (20.9 - 55.2) 36 (10.9 - 52.1) 0.973
Residual renal WCcr L/week/1.73m2 29 (0 - 204.8) 39.2 (0 - 262.4) 0.167
Total WCcr L/week/1.73m2 68.8 (31.4 - 226.7) 84.4 (45.6 - 348.4) 0.007
nPCR 0.96 (0.5 - 1.2) 1.35 (1.2 - 1.6) <0.001
Physical functioning 76.7 (33.3 - 100) 78.3 (36.7 - 100) 0.612
Role limitation - physical 61.5 (38.5 - 100) 65.4 (46.2 - 100) 0.769
Bodily pain 72.7 (27.3 - 100) 72.7 (27.3 - 100) 0.659
General health 40 (20 - 100) 35 (20 - 90) 0.416
Vitality 35.2 (7.4 - 51.9) 34.3 (11.1 - 44.4) 1
Social functioning 60 (20 - 100) 60 (20 - 80) 0.257
Role limitation - emotional 68.2 (36.4 - 100) 68.2 (45.5 - 100) 1
Mental health 30 (10 - 50) 30 (5 - 45) 0.938
  1. * chi-square test, a likelihood ratio test