Group 1 | Group 2 | Group 3 | Group 4 | |
---|---|---|---|---|
n = 171 | n = 45 | n = 31 | n = 80 | |
Demographic factors | ||||
Mean age at the start of the study | 48 | 51 | 49 | 55 |
(range) | (18–83) | (20–80) | (27–67) | (24–80) |
Male, % | 39 | 44 | 52 | 52 |
Diabetes, % | 7.0 | 6.7 | 25.8e | 22.8e |
PD vintage, years | 4.6 ± 3.2 | 5.5 ± 3.7 | 4.1 ± 2.9 | 5.3 ± 3.1 |
Kt/V urea (Gotch formula) | 2.14 ± 0.46 | 2.11 ± 0.35 | 2.03 ± 0.39 | 2.02 ± 0.33 |
nPCR, g/day | 1.11 ± 0.23a | 1.08 ± 0.22 | 1.02 ± 0.23 | 1.00 ± 0.24 |
Body mass index, kg/m2 | 21.9 ± 3.5b | 22.8 ± 3.9 | 24.0 ± 3.0 | 24.3 ± 3.8 |
Clinical co-morbidity, % | ||||
Coronary artery disease | 2 | 2 | 0 | 3 |
Congestive heart failure | 6 | 7 | 3 | 9 |
Peripheral vascular disease | 2 | 0 | 3 | 11 |
Stroke | 2 | 4 | 10 | 9 |
Neoplasm | 8 | 18 | 0 | 5 |
Chronic lung disease | 5 | 2 | 6 | 8 |
Liver cirrhosis or hepatoma | 3 | 0 | 10 | 4 |
No comorbidity, % | 74 | 73 | 81 | 76 |
Recurrent peritonitis, % | 5 | 9 | 0 | 6 |
Hospitalized stay, day | 5 ± 11a | 9 ± 14 | 8 ± 11 | 12 ± 21 |
Laboratory data | ||||
Baseline albumin, g/dL | 3.80 ± 0.38 | 3.79 ± 0.39 | 3.68 ± 0.50 | 3.68 ± 0.42 |
Final albumin, g/dL | 3.83 ± 0.35a,c | 3.66 ± 0.39 | 3.87 ± 0.40 | 3.67 ± 0.43 |
∆ albumin, % | 1% ± 7%c | −3% ± 9% | 6% ± 12% a,c | 0% ± 11% |
Baseline hs-CRP, mg/L, | 1.49 | 2.10 f | 9.75 g | 11.6g |
(Q1–Q3) | (0.84 to 2.25) | (1.30 to 3.61) | (7.30 to 16.1) | (7.85 to17.8) |
Final hs-CRP, mg/L, | 1.45 | 9.20 g | 2.49f | 12.8g |
(Q1–Q3) | (0.74 to 2.39) | (7.29 to 12.1) | (1.36 to 3.71) | (7.89 to 25.1) |
∆ hs-CRP, % | −6h | 416 | −80h | 0h |
(Q1–Q3) | (−38 to 49) | (1.78 to 7.02) | (−91 to −59) | (−29 to 69) |
Hematocrit, % | 32.2 ± 4.3c | 29.7 ± 4.6 | 30.9 ± 3.9 | 30.7 ± 4.0 |
Serum cholesterol, mg/dl | 185 ± 39 | 177 ± 42 | 196 ± 59 | 184 ± 39 |
Serum triglyceride, mg/dL | 145 ± 83 | 138 ± 93 | 158 ± 109 | 174 ± 93 |
Serum K, mEq/L | 4.1 ± 0.7b | 4.0 ± 0.6 | 3.9 ± 0.8 | 3.7 ± 0.6 |
BUN, mg/dL | 66 ± 17 | 72 ± 19 | 62 ± 16 | 64 ± 15c |
Serum Cr, mg/dL | 12.1 ± 2.8 | 11.8 ± 3.0 | 11.6 ± 3.5 | 11.2 ± 2.6 |
Serum phosphorus, mg/dL | 5.2 ± 1.1 | 5.6 ± 1.5 | 5.4 ± 1.5 | 5.0 ± 1.2c |
Serum calcium, mg/dL | 9.3 ± 0.8 | 9.3 ± 0.8 | 9.1 ± 0.9 | 9.4 ± 0.8 |