Meta-Analysis of Low Temperature Plasma Radiofrequency Ablation and CO₂ Laser Surgery on Early Glottic Laryngeal Carcinoma

Table 1

Basic information of included literature.

Included in the study	Published year	Interventions	Sample size	Gender (male/female)	Age	Observation target
Semmler et al. [13]	2011	Radio frequency group	93	79/14		①, ③, ④
		Laser group	93	77/16
Liu Jianyong et al. [14]	2014	Radio frequency group	42	35/7		①, ②, ③, ④
		Laser group	42	32/10
Shuang et al.[15]	2015	Radio frequency group	37	26/11		②, ③
		Laser group	37	27/10
Mourad et al. [16]	2016	Radio frequency group	30	21/9		②, ③, ⑤
		Laser group	30	23/7
Jun et al. [17]	2017	Radio frequency group	47	39/8		①, ③, ④
		Laser group	46	36/10
Jinhui and Chengyu [18]	2018	Radio frequency group	64	51/13		①, ②, ③, ④
		Laser group	64	50/14
Yuke et al. [19]	2019	Radio frequency group	52	40/12		①, ③, ④
		Laser group	52	38/14
Yong et al. [20]	2020	Radio frequency group	48	37/11		①, ②, ③
		Laser group	47	40/7
Bin et al. [21]	2021	Radio frequency group	33	24/9		①, ③, ⑤
		Laser group	33	23/10