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Table 3 Patient characteristics and clinical factors of patients with single history or repeated of peritonitis

From: Evaluation of modifiable risk factors for peritoneal dialysis-related peritonitis: a single-center retrospective cohort study

  Single history (n=12) Repeaters (n=11) p-value
Sex (male, %) 50 72.7 0.265
Age at PD initiation (median, years) 64 [63–77] 59 [53–84] 0.423
Performance status at PD initiation (0–4) (n) 0 (9) 0 (7) N/A
1 (2) 1 (3)
2 (1) 2(0)
3(0) 3 (1)
4(0) 4(0)
Diabetes* (%) 58.3 27.3 0.133
Hypertension (%) 22.5 37.5 0.205
Serologic tests time average concentration
Albumin* (median, g/dL) 3.6 [3.4–3.8] 3.6 [3.0–3.9] 0.594
Potassium* (median, mEq/L) 4.3 [3.9–4.8] 4.1 [3.7–4.4] 0.346
Magnesium (median, mg/dL) 2.1 [2.0–2.3] 2.1 [1.8–2.2] 0.451
Corrected calcium (median, mg/dL) 9.3 [8.8–9.4] 9.2 [8.8–9.5] 0.974
Inorganic phosphorus (median, mg/dL) 4.9 [4.4–5.2] 5.1 [4.7–6.0] 0.281
Intact PTH (median, pg/mL) 290 [171–431] 288 [215–343] 0.985
Use of medications
RAS blocker (%) 41.7 35.7 0.722
Calcium channel blocker (%) 75.0 46.4 0.096
Diuretic (%) 91.7 75.0 0.227
Oral vitamin D* (%) 58.3 53.6 0.782
  Dose of oral vitamin D (μg/day) 0.35±0.31 0.25±0.28 0.443
  Vitamin D started with SHPTH (%) 66.7 53.6 0.563
Phosphate binder (%) 83.3 75.0 0.443
  Precipitated calcium carbonate (%) 50.0 53.6 0.836
  Non-calcium-containing phosphate binder (%) 50.0 50.0 1.000
Calcimimetics (%) 0 25.0 0.057
Laxative* (%) 16.7 14.3 0.847
Erythropoiesis-stimulating agent (%) 91.7 96.4 0.527
Immunosuppressant* (%) 8.3 0 0.122
Other factors
PD against patient’s choice* (%) 8.3 9.1 0.949
Smoking history* (%) 41.7 27.3 0.469
Indoor pet breeding* (%) 8.3 27.3 0.231
Psychiatric disorder* (%) 8.3 27.3 0.231
Public assistance* (%) 0 9.1 0.286
Assisted PD (%) 8.3 27.3 0.231
Use of exchange devise (%)* 91.7 90.9 0.949
Living environment (apartment, %)* 41.7 45.5 0.855
Job (%)* 25.0 36.4 0.554
  1. PD peritoneal dialysis, PTH parathyroid hormone, SHPTH secondary hyperparathyroidism, RAS renin-angiotensin-aldosterone system
  2. Modifiable risk factors of peritonitis reported in previous studies are marked with asterisks