A meta-analysis of vitrectomy with or without internal limiting membrane peeling for macular hole retinal detachment in the highly myopic eyes

Table 1 Characteristics and quality scoring components of included studies

Trial, year	Study design	Location	Number of eyes	Quality score component				Overall effect
Trial, year	Study design	Location	Number of eyes	I	II	III	IV	V	Overall	Percentage
Ikuno (2003) [14]	Retrospective, nonrandomized, comparative study	Japan	14/2	8	2	3	3	0	16	50.00 %
Lam (2006) [15]	Retrospective, interventional, comparative case series	China	44/13	9	2	2	3	2	18	56.25 %
Li KK (2010) [17]	Prospective interventional, comparative, case control study	China	10/9	10	2	3	2	0	17	53.13 %
Li X (2009) [9]	Prospective, randomized controlled, multicenter study	China	65/46	10	2	4	2	3	21	65.63 %
Nakanishi (2008) [10]	Retrospective, multicenter, interventional case series	Japan	40/9	9	2	2	2	2	17	53.13 %
Uemoto (2004) [18]	Retrospective, nonrandomized, comparative study	Japan	13/12	10	2	3	3	0	18	56.25 %
Wei (2013) [16]	Retrospective, comparative, case control study	China	47/49	10	2	3	3	2	20	62.50 %

ISSN: 1471-2415