Table 2 Microorganisms cultured from peritoneal fluid during initial septic surgery in patients without and with persistent peritonitis

Aerobes, n (%)

292 (78)

209 (73)

0.17

 Gram-positive bacteria, n (%)

141 (38)

94 (33)

0.21

  Enterococci, n (%)

71 (19)

45 (16)

0.29

E. faecalis, n (%)

40 (11)

21 (7)

0.17

E. faecium, n (%)

16 (4)

12 (4)

1.0

  Streptococci, n (%)

32 (9)

34 (12)

0.15

  Staphylococci, n (%)

37 (10)

13 (5)

0.011

Staphylococcus aureus, n (%)

12 (3)

3 (1)

0.11

  Coagulase-negative staphylococci, n (%)

25 (7)

10 (4)

0.08

 Gram-negative bacteria, n (%)

151 (40)

115 (40)

0.98

Enterobacteriaceae, n (%)

122 (32)

95 (33)

0.83

Escherichia coli, n (%)

56 (15)

48 (17)

0.50

  Enterobacter spp, n (%)

20 (5)

12 (4)

0.58

  Klebsiella spp, n (%)

20 (5)

11 (4)

0.45

  Morganella spp, n (%)

10 (3)

10 (4)

0.64

  Proteus spp, n (%)

11 (3)

5 (2)

0.44

 Non-fermenting Gram-negative bacilli, n (%)

24 (6)

12 (4)

0.23

Pseudomonas aeruginosa, n (%)

22 (6)

12 (4)

0.37

Anaerobes, n (%)

48 (13)

34 (12)

0.73

  Bacteroides spp, n (%)

31 (8)

28 (10)

0.49

Fungi, n (%)

36 (10)

43 (15)

0.03

Candida albicans, n (%)

23 (6)

34 (12)

0.011

  Candida non-albicans, n (%)

13 (3)

8 (3)

0.66

Total number of microorganisms, n

376

286

Total number of MDR bacteria, n (%)

49 (13)

35 (14)

0.76