[Retracted] Effects of Enhanced Recovery Rehabilitation Surgery Concepts on the Surgical Process, Postoperative Pain, Complications, and Prognosis of Discectomy in Patients with Lumbar Disc Herniation: A Systematic Review and Meta-Analysis

Table 1

Baseline characteristics of included studies.

Author	Year	Number	Surgery	Age	M/F	Disc extent	Disc number	Outcome	Characteristics	Follow-up (mouth)
Hiroshi Takahashi	2021	65	Hemilaminectomy	43.6	34/31	L3/4	6	VAS	Backache, leg ache, lower back ache	12
			Tubular retract discectomy			L4/5	28
			Bilateral lamina discectomy			L5/S	31
Xijia Jiang	2018	120	Transforaminal endoscopic discectomy		45/75	L2/3	11	VAS	Backache, leg ache	12
			Interlaminar endoscopic discectomy			L3/4	14
						L4/5	60
						L5/S	35
Yang Qu	2017	16	Discectomy under microendoscope		10/6	L4/5	16	VAS	Backache, leg ache	31
Jenny C. Kienzler	2020	267	Lumbar discectomy	42.9	155/112	L2/3	2	VAS	Backache, leg ache	6
						L3/4	8
						L4/5	121
						L5/S	136
Xiang Gao	2020	123	Percutaneous endoscopic lumbar discectomy		63/60	L2/3	2	VAS	Backache, leg ache	6
						L3/4	3
						L4/5	57
						L5/S	61
Yueyang Li, MS	2021	1529	Percutaneous endoscopic lumbar discectomy		913/616			VAS	Backache, leg ache	6
Kang Li	2019	35	Percutaneous interforaminal endoscopic lumbar discectomy		19/16	L3/4	11	VAS	Backache, leg ache	6
						L4/5	24
Sherwan A.	2020	30	Fenestration discectomy	40		L4-L5		VAS	Backache, leg ache	6
Mengxian Jia	2021	320			212/108	L3/4	12	VAS	Backache, leg ache	6
						L4/5	165
						L5/S	143