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Table 2 Discriminative power of each classification for IAI by pathogen sensitive to antibiotic scheme for CA-IAI

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

Classification of intra-abdominal infection

AUROC curve (95% CI) for ATB 1

AUROC curve (95% CI) for ATB 2

Place of acquisition: CA-IAI, HCA-IAI, HA-IAI

0.59 (0.50–0.68)

0.66 (0.56–0.75)

Place of acquisition: CA-IAI and HA-IAI

0.54 (0.45–0.63)

0.59 (0.49–0.69)

Extent of infection: uIAI or cIAI

0.61 (0.52–0.70)

0.50 (0.40–0.60)

Local of infection

0.57 (0.48–0.66)

0.57 (0.48–0.67)

Current model

0.65 (0.57–0.74)

0.60 (0.50–0.70)

  1. AUROC area under receiver operating characteristics, CI confidence interval, 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