Circumferential Decompression Technique of Posterior Endoscopic Cervical Foraminotomy

Table 1

The demographic characteristics of the patients.

Characteristics	Data
Mean age, years	51.5 (38~68)
Sex
Male	11
Female	13
Level
C4-5	6
C5-6	13
C6-7	5
Mean duration of symptom, months	7.4 (2~24)
Mean follow-up time, months	16.3 (12~26)