Retrospective Study
Copyright ©The Author(s) 2021.
World J Clin Cases. Dec 6, 2021; 9(34): 10518-10529
Published online Dec 6, 2021. doi: 10.12998/wjcc.v9.i34.10518
Table 2 Surgical outcomes assessed using the Engel classification
Follow-up time point and outcome
n (%)
Postoperative period
Engel grade I18 (90.0)
Engel grade II1 (5.0)
Engel grade III1 (5.0)
1 yr
Engel grade I18 (90.0)
Engel grade II1 (5.0)
Engel grade III1 (5.0)
3 yr
Engel grade I17 (85.0)
Engel grade II2 (10.0)
Engel grade III1 (5.0)
5 yr or more
Engel grade I17 (85.0)
Engel grade II2 (10.0)
Engel grade III1 (5.0)