Table 1.
Clinical characteristics of 337 episodes of peritonitis by RDW group.
| Characteristics | Overall | RDW |
||
|---|---|---|---|---|
| T1 (<13.2%) | T2 (13.2–14.3%) | T3(>14.3%) | ||
| No. of episodes | 337 | 111 | 117 | 109 |
| Age, year | 45 (21) | 42 (20) | 44 (21) | 49 (20) |
| Men, no. (%) | 198 (58.8) | 70 (63.1) | 64 (54.7) | 64 (58.7) |
| Hypertension, no. (%) | 309 (91.7) | 95 (85.6) | 109 (93.2) | 105 (96.3) |
| Diabetes mellitus, no. (%) | 35 (10.4) | 6 (5.4) | 13 (11.1) | 16 (14.7) |
| Coronary artery disease, no. (%) | 105 (31.2) | 28 (25.2) | 30 (25.6) | 47 (43.1) |
| Duration on PD, month | 16 (25) | 14 (22) | 18 (30) | 18 (26) |
| Residual urine volume, ml/24h | 300 (900) | 400 (900) | 300 (950) | 200 (550) |
| Red blood cell, 1012/L | 3.19 ± 0.72 | 3.10 ± 0.71 | 3.30 ± 0.68 | 3.16 ± 0.76 |
| White blood cell, 109/L | 6.04 (3.78) | 5.82 (3.47) | 6.09 (3.52) | 6.15 (5.02) |
| Platelet, 109/L | 204 (114) | 213 (50.5) | 197 (111) | 207 (116) |
| Hemoglobin, g/L | 94.58 ± 20.22 | 93.35 ± 19.71 | 98.03 ± 19.37 | 92.12 ± 21.27 |
| Albumin, g/L | 28.28 ± 6.89 | 28.35 ± 6.29 | 29.63 ± 7.15 | 26.75 ± 6.94 |
| Serum creatinin, umol/L | 708 (326) | 749 (270) | 684 (348) | 702 (353) |
| Serum uric acid, umol/L | 320 (112) | 315 (103) | 320.5 (109) | 323 (127) |
| Cholesterol, mmol/L | 3.74 (1.34) | 3.60 (1.37) | 3.92 (1.36) | 3.85 (1.32) |
| Ferritin, ug/L | 353 (416) | 320.50 (411.75) | 365.00 (331.00) | 393.00 (487.75) |
| Potassium, mmol/L | 3.78 (1.08) | 3.78 (0.85) | 3.82 (1.22) | 3.60 (1.08) |
| Phosphorus, mmol/L | 1.30 (0.57) | 1.23 (0.54) | 1.33 (0.51) | 1.36 (0.51) |
| Parathormone, ng/L | 204.80 (203.50) | 180.45 (152.03) | 255.10 (290.75) | 193.55 (182.17) |
| Dialysate white blood cell on day 3, 106/L | 153 (436) | 178 (623) | 162 (466) | 109 (365) |
| Infection type, no. (%) | ||||
| Gram-positive peritonitis | 202 (59.9) | 61 (55.0) | 79 (67.5) | 62 (56.9) |
| Gram-negative peritonitis | 61 (18.1) | 26 (23.4) | 15 (12.8) | 20 (18.3) |
| Culture negative peritonitis | 74 (22.0) | 24 (21.6) | 23 (19.7) | 27 (24.8) |
| Treatment failure during episode, no. (%) | 72 (19.1) | 16 (4.2) | 26 (6.9) | 30 (8.0) |
| Catheter removal/death during episode, no. (%) | 39 (11.6) | 5 (4.5) | 18 (15.4) | 16 (14.7) |
| Death, no. (%) | 7 (2.1) | 2 (1.8) | 1 (0.9) | 4 (3.7) |
| Relapse/recurrence during episode, no. (%) | 26 (6.9) | 9 (2.4) | 7 (1.9) | 10 (2.7) |
RDW: red blood cell distribution width; PD peritoneal dialysis.