Table 1 Comparison of general data between the two groups
|  | Treatment improved group (n = 70) | Treatment failed group (n = 87) | t/df value | P value |
|---|---|---|---|---|
Age (year) | 54.79 ± 13.00 | 57.91 ± 11.70 | -1.582 | 0.116 |
Gender | ||||
 Male | 35 (50.0%) | 39 (44.8%) | 1.000 | 0.519 |
 Female | 35 (50.0%) | 48 (55.2%) | ||
Diabetes | Â | Â | 1.000 | 0.915 |
 Yes | 14 (20.0%) | 18 (20.7%) |  |  |
 No | 56 (80.0%) | 69 (79.3%) |  |  |
Duration of peritoneal dialysis (M) | 46.44 ± 35.08 | 55.20 ± 31.82 | -1.637 | 0.104 |
Contamination | Â | Â | 3.000 | 0.036 |
 Unknown | 47 (67.1%) | 49 (56.3%) |  |  |
 Operational errors | 4 (5.7%) | 16 (18.4%) |  |  |
 Diarrhea | 8 (11.4%) | 15 (17.2%) |  |  |
 Other | 11 (15.7%) | 7 (8.0%) |  |  |
Peritoneal fluid culture results |  |  | 4.000 | < 0.001 |
 Negative | 29 (41.4%) | 26 (29.9%) |  |  |
 Gram-negative bacteria | 4 (5.7%) | 10 (11.5%) |  |  |
 Gram-positive bacteria | 36 (51.4%) | 12 (13.8%) |  |  |
 Fungus | 0 (0.0%) | 39 (44.8%) |  |  |
 Other | 1 (1.4%) | 0 (0.0%) |  |  |
 Number of peritonitis occurrences | 2.11 ± 1.44 | 2.41 ± 1.54 | -1.248 | 0.214 |
 Hemoglobin (g/L) | 95.27 ± 21.54 | 93.95 ± 21.33 | 0.383 | 0.702 |
 Serum creatinine (umol/L) | 825.69 ± 272.00 | 819.38 ± 259.29 | 0.148 | 0.882 |
 BUN (mmol/L) | 17.59 ± 7.39 | 14.82 ± 6.54 | 2.490 | 0.014 |
 CRP (mg/L) | 86.12 ± 63.23 | 131.64 ± 90.18 | -3.574 | < 0.001 |
 Serum phosphate (mmol/L) | 1.75 ± 1.16 | 1.66 ± 0.57 | 0.582 | 0.561 |
 BUA (umol/L) | 356.79 ± 92.55 | 368.99 ± 96.39 | -0.802 | 0.424 |
 WBC (×10^9/L) | 10.81 ± 4.81 | 11.96 ± 5.40 | -1.393 | 0.165 |
 Blood lymphocyte count (×10^9/L) | 1.12 ± 1.29 | 0.84 ± 0.42 | 1.754 | 0.083 |
 Blood neutrophil count (×10^9/L) | 8.99 ± 4.92 | 10.32 ± 5.09 | -1.643 | 0.102 |
 Platelet count (×10^9/L) | 266.37 ± 112.19 | 288.31 ± 141.13 | -1.059 | 0.291 |
 Procalcitonin (ng/mL) | 19.04 ± 51.15 | 12.48 ± 27.11 | 0.969 | 0.335 |
 BNP (pg/mL) | 1069.50 (203.80, 2797.25) | 264.80 (64.50, 1304.00) | 3.363 | 0.001 |
 PTH (µg/L) | 455.36 ± 434.84 | 508.49 ± 429.53 | -0.766 | 0.445 |
 EF (%) | 61.54 ± 9.60 | 58.47 ± 9.82 | 1.968 | 0.051 |
 White blood cell count in peritoneal dialysate (×10^6/L) | 2924.96 ± 4480.11 | 2602.52 ± 4166.78 | 0.466 | 0.642 |
 Residual renal function eGFR (mL/min) | 6.44 ± 2.94 | 6.21 ± 3.19 | 0.464 | 0.644 |
 Average RU volume (mL) | 446.14 ± 135.31 | 271.16 ± 161.50 | 7.246 | < 0.001 |
 UCR KT/V (/week) | 2.09 ± 0.21 | 1.83 ± 0.20 | 7.847 | < 0.001 |