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Table 3 Peritonitis episode culture results

From: Peritonitis outcomes in patients with HIV and end-stage renal failure on peritoneal dialysis: a prospective cohort study

 

HIV-Negative

HIV-Positive

P value

All peritonitis episodes

 Gram-positive

33.3% (18/54)

36.2% (34/94)

0.728a

   Staphylococcus aureus

16.7% (9/54)

7.4% (7/94)

0.082a

  Coagulase-negative staphylococcus

16.7% (9/54)

23.4% (22/94)

0.332a

  Other gram-positive bacteria

0.0% (0/54)

5.3% (5/94)

0.159b

 Gram-negative

44.4% (24/54)

27.7% (26/94)

0.038a

  Pseudomonas species

13.0% (7/54)

6.4% (6/94)

0.173a

   Klebsiella pneumoniae

5.6% (3/54)

4.3% (4/94)

0.706b

  Acinetobacter species

3.7% (2/54)

10.6% (10/94)

0.212b

  Other gram-negative bacteria

22.2% (12/54)

6.4% (6/94)

0.005a

Mixed organisms

0.0% (0/54)

1.1% (1/94)

1.000b

Fungal peritonitis

3.7% (2/54)

5.3% (5/94)

1.000b

Mycobacterium tuberculosis

0.0% (0/54)

1.1% (1/94)

1.000b

Culture-negative

18.5% (10/54)

28.7% (27/94)

0.168a

Peritonitis relapse episodes

 Coagulase-negative staphylococcus

1.8% (1/54)

3.2% (3/94)

1.000b

 Other gram-positive bacteria

0.0% (0/54)

1.1% (1/94)

1.000b

 Pseudomonas species

1.8% (1/54)

3.2% (3/94)

1.000b

 Other gram-negative bacteria

1.8% (1/54)

1.1% (1/94)

1.000b

 Culture-negative

3.7% (2/54)c

4.3% (4/94)d

1.000b

Mycobacterium tuberculosis

0.0% (0/54)

1.1% (1/94)

1.000b

Peritonitis-associated catheter removal

Staphylococcus aureus

1.8% (1/54)

0

0.365b

 Pseudomonas species

9.3% (5/54)

1.1% (1/94)

0.025b

 Acinetobacter species

1.8% (1/54)

6.4% (6/94)

0.423b

 Other gram-negative bacteria

5.6% (3/54)

1.1% (1/94)

0.138b

 Culture-negative

3.7% (2/54)

3.2% (3/94)

1.000b

 Candida species

3.7% (2/54)

4.2% (4/94)

1.000b

Mycobacterium tuberculosis

0

1.1% (1/94)e

1.000b

Peritonitis-associated mortality

 Coagulase-negative staphylococcus

1.8% (1/54)

1.1% (1/94)

1.000b

Escherichia coli

1.8% (1/54)

1.1% (1/94)

1.000b

 Fungal Peritonitis

0

1.1% (1/94)

1.000b

 Culture-negative

0

1.1% (1/94)

1.000b

  1. HIV human immunodeficiency virus
  2. aPearson’s χ 2 test, bFisher’s exact test
  3. cOne relapse episode first presented as Staphylococcus aureus peritonitis then relapsed as culture-negative peritonitis
  4. dTwo relapse episodes first presented as Pseudomonas aeruginosa peritonitis then relapsed as culture-negative peritonitis
  5. eFirst presented as culture-negative peritonitis then relapsed as Mycobacterium tuberculosis