Comparison of Transforaminal Percutaneous Endoscopic Lumbar Discectomy with and without Foraminoplasty for Lumbar Disc Herniation: A 2-Year Follow-Up

Table 1

Comparisons of basic information between PELF and PELD groups.

Values	PELF group ()	PELD group ()
Female	28	26	0.153
Male	34	52
Mean age (year)	54.5 ± 15.26	54.6 ± 13.63	0.973
Pain duration (month)	52.1 ± 89.34	22.9 ± 39.67	0.051
Operation time (minute)	121.7 ± 46.39	108.9 ± 37.70	0.094
Hospital stay (day)	11.06 ± 9.18	9.08 ± 3.75	0.458
Follow-up duration (month)	22.0 ± 6.38	23.1 ± 4.55	0.181