Table 1. Statistical breakdown of radiofrequency (RF) facet cysts.

Radiofrequency (RF) facet cysts: number of patients	7
Patient average age (range 64-88 years)	80.6
Unlateral radicular pain greater than low back pain	6/7
L5-S1 level of stenosis	4/7
L4-5 level of stenosis	3/7
Multilevel stenosis	2/7
Pre-procedure average visual analog scale (VAS) (range 4-9)	6.8
Post-procedure average visual analog scale (VAS) (range 0-4)	1.5