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. 2021 Apr 19;8(4):309. doi: 10.3390/children8040309

Table 5.

Patient risk stratification based on the AIR score.

n (%) High Risk
(Score ≥ 9)
Indeterminate Risk
(Score 5–8)
Low Risk
(Score < 5)
Non-perforated appendicitis 40 (27.4) 98 (67.1) 8 (5.5)
Perforated appendicitis 33 (86.8) 5 (13.2) 0