[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 2

Assessment of the methodological quality of included studies.

First author	Published year	Evaluation project
		Randomly generated	Distribution of hidden	Double-blind	Outcome integrity	Other bias
Hiroshi Takahashi	2021	1	1	3	2	1
Xijia Jiang	2018	1	2	1	3	2
Yang Qu	2017	2	1	2	1	2
JennyC. Kienzler	2020	1	1	1	2	1
Xiang Gao	2020	1	2	1	1	1
Yueyang Li, MS	2021	1	2	1	1	2
Kang Li	2019	2	2	1	2	1
Sherwan A.	2020	1	1	1	1	2
Mengxian Jia	2021	1	2	1	2	3

Note: 1 stands for low risk, 2 represents unknown risk, and 3 is high risk.