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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: J Trauma Acute Care Surg. 2017 Jan;82(1):73–79. doi: 10.1097/TA.0000000000001274

Table 2.

Distribution of AAST grades, Management Types, and Patient Risk Factors with Appendicitis

I-AAST grade Laparoscopic
Appendectomy
Conversion to Open
Appendectomy
Open
Appendectomy
Non-
Operative
Percutaneous
Drainage
Non-
Operative
Antibiotic
Therapy
n=284; 85% n=5; 1.5% n=10; 3% n=19; 5.7% n=16; 4.8%
0 1 0 0 0 0
I 220 1 3 0 3
II 25 0 0 0 2
III 30 1 2 0 5
IV 6 1 4 18 6
V 2 2 1 1 0
Age (mean ± SD) 37.3 ± 15.1 53.6 ± 16.5 43.7 ± 18.5 54.4 ± 22.3 50.2 ± 17.7
% Male (53.3%) 44.9 0.6 1.5 3.6 2.7
ASA class
1 56 1 1 6 5
2 222 4 9 10 6
3 6 0 0 3 5
4 ~ ~ ~ ~ ~