Internal limiting membrane peeling and gas tamponade for myopic foveoschisis: a systematic review and meta-analysis

Table 1 Characteristics of included studies in the comparison of ILM peeling group and non-ILM peeling group

		Study	Study		Follow-up	ILM Peeling				Non-ILM Peeling
Author	Year	Location	Design	Operation Mode	Time(m)	Eyes	Age(y)	Refractive Errors (D)	Axis(mm)	Eyes	Age(y)	Refractive Errors (D)	Axis(mm)
Li et al. [22]	2007	China	PS	PPV + tamponade + ILM Peeling; PPV + tamponade	>3	4	NR	−17.5 ± 4.75	30.27 ± 2.13	7	NR	−17.2 ± 5.5	30.12 ± 3.28
Song et al. [24]^①	2011	China	RCT	PPV + ILM Peeling; PPV	9	10	NR	NR	NR	24	NR	NR	NR
Song et al. [24]^②	2011	China	RCT	PPV + tamponade + ILM Peeling; PPV + tamponade	9	13	NR	NR	NR	16	NR	NR	NR
Xu et al. [26]	2011	China	RCT	PPV + tamponade + ILM Peeling; PPV + tamponade	6 ~ 14	14	57 ± 6.9	−12.4 ± 2.6	29.1 ± 3.1	15	59 ± 8.7	−11.7 ± 2.8	28.3 ± 2.3
Cai et al. [21]	2011	China	RCT	PPV + ILM Peeling; PPV	3	14	35 ~ 79	−14 ~ −6	26.31 ~ 33.12	11	35 ~ 79	−14 ~ −6	26.31 ~ 33.12
Liu et al. [23]	2014	China	RCT	PPV + tamponade + ILM Peeling; PPV + tamponade	2	16	46.63 ± 7.54	−14.81 ± 4.53	30.8 ± 2.56	14	46.14 ± 8.44	−14.93 ± 4.43	31.08 ± 2.46
Wang et al. [25]	2014	China	RCT	PPV + tamponade + ILM Peeling; PPV + tamponade	6 ~ 11	15	50.4 ± 7.2	−9.93 ± 2.36	30.17 ± 1.28	13	53.15 ± 6	−10.31 ± 2.26	29.73 ± 1.3

PS prospective study, RCT randomized control trial, PPV pars plana vitrectomy, NR not reported, Song et al.^①, Song et al.^②: two sets of data in the study of Song et al