Table 4 Incidence rates and Cox proportional hazard univariate analysis

All-cause peritonitis^a

0.765

1.855

HR 2.41 (1.69–3.45)

<0.001

  < 200 cells/μL

3.690

HR 4.54 (2.35–8.76)

<0.001

  200–350 cells/μL

1.940

HR 2.61 (1.60–4.24)

<0.001

  > 350 cells/μL

1.599

HR 2.10 (1.39–3.15)

0.001

Gram-positive peritonitis

0.262

0.675

HR 2.59 (1.46–4.60)

0.001

Gram-negative peritonitis

0.353

0.512

HR 1.40 (0.80–2.44)

0.236

Culture-negative peritonitis

0.150

0.560

HR 3.64 (1.75–7.54)

0.001

Fungal peritonitis

0.028

0.089

HR 3.25 (0.63–16.79)

0.159

Peritonitis relapse

0.078

0.298

HR 3.88 (1.37–10.94)

0.010

  < 200 cells/μL

0.615

HR 10.60 (1.95–57.56)

0.006^b

 200–350 cells/μL

0.698

HR 8.82 (2.90–26.90)

<0.001^b

  ≥ 350 cells/μL

0.073

HR 0.97 (0.19–5.00)

0.969^b

Peritonitis recurrence

0.031

0.137

HR 4.62 (0.92–23.21)

0.063

Peritonitis repeat (same organism)

0.094

0.160

HR 1.81 (0.60–5.42)

0.289

Peritonitis repeat (different organism)

0.156

0.504

HR 3.81 (1.80–8.09)

<0.001

Multiple peritonitis^a

0.281

0.802

HR 3.22 (1.82–5.71)

<0.001

  < 200 cells/μL

1.230

HR 8.41 (2.71–26.08)

<0.001^b

 200–350 cells/μL

0.931

HR 3.90 (1.86–8.18)

<0.001^b

  > 350 cells/μL

0.690

HR 2.64 (1.38–5.04)

0.003^b

Peritonitis hospital admissions

0.815

1.814

HR 2.19 (1.44–3.35)

<0.001

Peritonitis technique failure^c

0.195

0.285

HR 1.43 (0.69–2.93)

0.335

All-cause technique failure^d

0.237

0.338

HR 1.42 (0.73–2.73)

0.299

Peritonitis mortality

0.028

0.071

HR 2.67 (0.49–14.60)

0.258

All-cause mortality

0.181

0.498

HR 2.53 (1.31–4.90)

0.006