From: Tandem keyhole foraminotomy in the treatment of cervical radiculopathy: retrospective review of 35 cases
Estimated primary responsible level
Operated levels
C3/4
0
C4/5
4 (11%)
C5/6
11 (31%)
C6/7
5 (14%)
C7/T1
1 (3%)
C3/4/5
2 (6%)
C4/5/6
7 (20%)
C5/6/7
12 (34%)
23 (66%)
C6/7/T1
3 (8%)