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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