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