Table 4

Length of stay and duration of antibiotic therapy among patients with complicated appendicitis before and after guideline implementation, overall and by severity of disease

OutcomeMedian (IQR)*p value
Before implementationAfter implementation
Overall
 No. of patients4447
 Length of stay, d3.0 (3–5)3.0 (2–4)0.05
 Duration of antibiotic therapy, d8.0 (7–10)6.5 (2–10)0.07
Gangrenous/perforated
 No. of patients2626
 Length of stay, d3.0 (2–4)2.0 (1–3)0.04
 Duration of antibiotic therapy, d7.0 (2–10)2.0 (1–7)0.02
Diffuse peritoneal contamination/abscess
 No. of patients1821
 Length of stay, d4.5 (3–10)3.0 (3–5.5)0.1
 Duration of antibiotic therapy, d10.0 (7–12)10.0 (7–12)0.5
  • IQR = interquartile range.

  • * Except where noted otherwise.