Comparative outcomes of obese and non-obese patients with lumbar disc herniation receiving full endoscopic transforaminal discectomy: a systematic review and meta-analysis

Table 2 Quality assessment of the included studies

Studies	Selection				Comparability	Exposure			Total scores (of 9)
Studies	Is the case definition adequate?	Representativeness of the cases	Selection of Controls	Definition of Controls	Comparability of cases and controls on the basis of the design or analysis	Ascertainment of exposure	Same method of ascertainment for cases and controls	Non-Response rate	Total scores (of 9)
Bae 2016^[16]	☆	☆			☆☆	☆	☆	☆	7
Kapetanakis 2018^[17]	☆	☆			☆☆	☆	☆		6
Yu 2021^[18]	☆	☆			☆☆	☆	☆	☆	7
Zhu 2021^[19]	☆	☆			☆	☆	☆		5

ISSN: 1471-2474