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Table 3 Microbiological profile of IAI according to the different classifications

From: Intra-abdominal infections: the role of different classifications on the selection of the best antibiotic treatment

Place of acquisition, n (%)

CA-IAI, 83 (54)

HCA-IAI, 45 (29)

HA-IAI, 26 (17)

 Microbiological profile, n (%)

Monomicrobial, 46 (55)

   E. coli, 19 (41)

   Klebsiella spp., 7 (15)

   E. faecium, 4 (19)

   Other, 16 (25)

Polymicrobial, 37 (45)

Monomicrobial, 32 (61)

   E. coli, 7 (22)

   Klebsiella spp., 7 (22)

   Clostridium spp., 6 (19)

   Other, 12 (37)

Polymicrobial, 13 (29)

Monomicrobial, 17 (65)

   E. coli, 4 (24)

   Klebsiella spp., 2 (12)

   E. faecium, 2 (12)

   Clostridium spp., 2 (12)

   Other, 7 (40)

Polymicrobial, 9 (35)

 IAI by pathogens sensitive to ATB I, n (%)

50 (60)

20 (44)

10 (40)

 IAI by pathogens sensitive to ATB 2, n (%)

66 (80)

27 (60)

12 (46)

Extent of infection, n (%)

uIAI, 25 (16)

cIAI, 129 (84)

 Microbiological profile, n (%)

Monomicrobial, 15 (60)

   Clostridium spp., 9 (60)

   E. coli, 2 (13)

   E. faecium, 2 (13)

   Other, 2 (13)

Polymicrobial, 10 (40)

Monomicrobial, 80 (62)

   E. coli, 28 (35)

   Klebsiella spp., 16 (20)

   E. faecium, 8 (10)

   Other, 28 (35)

Polymicrobial, 49 (38)

 IAI by pathogens sensitive to ATB I, n (%)

5 (20)

75 (60)

 IAI by pathogens sensitive to ATB 2, n (%)

17 (68)

88 (68)

Local of infection, n (%)

Biliary Tract, 78 (51)

Colon, 43 (28)

Other, 33 (21)

 Microbiological profile, n (%)

Monomicrobial, 54 (69)

   E. coli, 23 (43)

   Klebsiella spp., 13 (24)

   E. faecium, 7 (13)

   Other, 35 (45)

Polymicrobial, 24 (31)

Monomicrobial, 21 (49)

   Clostridium spp., 11 (52)

   E. coli, 3 (14)

   E. faecium, 2 (10)

   Other, 5 (24)

Polymicrobial, 22 (51)

Monomicrobial, 20 (60)

Polymicrobial, 13 (40)

 IAI by pathogens sensitive to ATB I, n (%)

42 (54)

20 (47)

18 (55)

 IAI by pathogens sensitive to ATB 2, n (%)

51 (65)

32 (74)

22 (67)

  1. ATB I, non-pseudomonal cephalosporin or ciprofloxacin plus metronidazole; ATB 2, piperacillin/tazobactam; CA-IAI, community-acquired intra-abdominal infection; HCA-IAI, healthcare-associated intra-abdominal infection; HA-IAI, hospital-acquired intra-abdominal infection; uIAI, uncomplicated intra-abdominal infection; cIAI, complicated intra-abdominal infection