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Table 1 Demographic characteristics and clinical data

From: The impact of peritoneal dialysis-related peritonitis on mortality in peritoneal dialysis patients

Variables Patients (n = 1321) Patients with peritonitis (n = 372) Patients free of peritonitis (n = 949) P value
Age (years) 48.1 ± 15.3 51.1 ± 14.7 46.9 ± 15.4 <0.001
Sex (Male, n, %) 776 (58.7%) 220 (59.1%) 556 (58.6%) 0.86
Primary renal disease (n, %) - - - 0.006
 Glomerulonephritis 776 (58.7%) 199 (53.5%) 577 (60.8%) -
 Diabetic nephropathy 298 (22.6%) 84 (22.6%) 214 (22.6%) -
 Hypertension 91 (6.9%) 38 (10.2%) 53 (5.6%) -
 Others 156 (11.8%) 51 (13.7%) 105 (11.1%) -
Diabetes mellitus (n, %) 311 (23.5%) 87 (23.4%) 224 (23.6%) 0.93
History of CVD (n, %) 479 (36.3%) 139 (37.4%) 340 (35.8%) 0.62
Duration of PD (months) 34 (21–48) 40 (26–56) 32 (18–46) <0.001
24-h urine output (mL) 900 (500–1300) 875 (500–1300) 900 (500–1300) 0.53
Hemoglobin (g/dL) 9.4 ± 2.3 9.2 ± 2.3 9.4 ± 2.3 0.133
Serum phosphorus (mg/dL) 5.2 ± 1.7 5.1 ± 1.7 5.2 ± 1.8 0.124
Serum albumin (g/dL) 3.6 ± 0.5 3.6 ± 0.5 3.7 ± 0.5 0.080
  1. NOTE. Values expressed as mean ± SD, median (interquartile range), or number (percent); CVD cardiovascular disease; PD peritoneal dialysis