Table 1. Gender distribution and endoscopic technique of foraminoplasty patients.

Gender	Frequency	Percent	Valid percent	Cumulative percent
Gender distribution
F	68	38.6	38.6	38.6
M	108	61.4	61.4	100.0
Total	176	100.0	100.0
Patient population by endoscopic technique
Inside-out	86	48.9	48.9	48.9
Outside-in	90	51.1	51.1	100.0
Total	176	100.0	100.0