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Table 4 The intra-abdominal view (IAV) score evaluation; low, middle, and high scores with various outcomes

From: The role of the intra-abdominal view in complicated intra-abdominal infections

  All patients Low score Medium score High score P value*
IAV score 4 (1–4)** 0–2 3–5 6–7  
Number of patients, n (%) 283 (100) 102 (36) 158 (56) 23 (8)  
Length of stay, days** 6 (3–10) 3 (2–5) 8 (6–13) 10 (6–18) < 0.001
Clavien-Dindo ≥ 3, n (%) 87 (31) 14 (14) 62 (39) 11 (48) < 0.001
ICU admission, n (%) 57 (20) 2 (2) 39 (25) 16 (70) < 0.001
Mortality, 30 days, n (%) 29 (10) 1 (1) 22 (14) 6 (26) < 0.001
SCIAS or 30-day mortality, n (%) 71 (25) 3 (3) 50 (32) 17 (74) < 0.001
  1. Abbreviation: ICU intensive care unit
  2. *P values are calculated using linear-by-linear association for dichotomous variables and Kruskal-Wallis test for continuous variable
  3. **Continuous variables are presented as median (interquartile range)