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Table 2 Risk factors for functional catheter problem and catheter failure in COX models

From: Urgent-start peritoneal dialysis for patients with end stage renal disease: a 10-year retrospective study

Variables Univariate model Multivariate model
HR (95%CI) P value HR (95%CI) P value
Functional catheter problem
 Age (every 5 years increase) 0.86 (0.81–0.91) < 0.001 0.86 (0.81–0.92) < 0.001
 Sex (Male) 1.08 (0.79–1.49) 0.623 1.01 (0.72–1.44) 0.942
 BMI (kg/m2) 0.94 (0.89–0.99) 0.024 0.97 (0.92–1.03) 0.266
 Serum creatinine (mg/dL) 1.04 (1.00–1.08) 0.023 1.03 (0.99–1.06) 0.934
 Hemoglobin (g/dL) 0.92 (0.84–1.01) 0.068 0.96 (0.88–1.03) 0.346
 BSA (m2) 0.66 (0.25–1.77) 0.410
 Diabetic nephropathy 0.83 (0.55–1.24) 0.359
 History of abdominal surgery 1.38 (0.81–2.35) 0.235
 eGFR (ml/min/1.73m2) 0.96 (0.89–1.03) 0.227
 Serum albumin (g/dL) 0.89 (0.65–1.23) 0.482
Catheter failure
 Age (every 5 years increase) 0.80 (0.74–0.87) < 0.001 0.81 (0.73–0.89) < 0.001
 Sex (Male) 1.06 (0.67–1.68) 0.817 1.25 (0.75–2.10) 0.393
 BMI (kg/m2) 0.91 (0.85–0.98) 0.017 0.94 (0.86–1.03) 0.164
 Serum creatinine (mg/dL) 1.07 (1.02–1.12) 0.008 1.05 (0.98–1.10) 0.765
 Hemoglobin (g/dL) 0.90 (0.79–1.03) 0.133 0.92 (0.81–1.04) 0.364
 BSA (m2) 0.42 (0.10–1.74) 0.234
 Diabetic nephropathy 0.83 (0.46–1.48) 0.517
 History of abdominal surgery 1.55 (0.75–3.23) 0.241
 eGFR (ml/min/1.73m2) 0.96 (0.87–1.07) 0.468
 Serum albumin (g/dL) 0.97 (0.61–1.54) 0.886
  1. Abbreviations: BMI body mass index, BSA body surface area, eGFR estimated glomerular filtration, HR hazard ratio, CI confidence interval