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. 2021 Jul;11(7):3244–3251. doi: 10.21037/qims-20-1121

Table 3. Grades of extensor tendon injuries by compartment.

Grade First compartment Second compartment Third compartment Fourth compartment Fifth compartment Sixth compartment
1 3 (75%) 6 (100%) 3 (100%) 2 (66.6%) 0 3 (16.6%)
2 1 (25%) 0 0 1 (33.3%) 0 1 (5.55%)
3 0 0 0 0 0 0
4 0 0 0 0 0 12 (66.6%)
5 0 0 0 0 0 2 (11.1%)
6 0 0 0 0 0 0
Total cases 4 6 3 3 0 18