Table 6

Relative risk of death at day 30 and 95% confidence intervals of patients with peritonitis according to the type of organism cultured from peritoneal fluid (Mantel-Haenszel test, controlling for time)

Relative risk

95% confidence interval

P

Community-acquired peritonitis

Yeasts

1.72

0.57 to 5.16

0.33

Enterococcus species

1.05

0.24 to 4.58

0.94

Anaerobes

1.83

0.66 to 5.10

0.24

Postoperative peritonitis

Yeasts

4.28

1.02 to 18.04

0.031

Enterococcus species

1.47

0.35 to 6.22

0.60

Anaerobes

0.50

0.06 to 4.11

0.51

Riché et al. Critical Care 2009 13:R99   doi:10.1186/cc7931