Comparison of the Effectiveness of Pars Plana Vitrectomy with and without Internal Limiting Membrane Peeling for Idiopathic Retinal Membrane Removal: A Meta-Analysis

Table 4

Postoperative best-corrected visual acuity (logMAR) and vision improvement (VI).

Study	Postoperative BCVA and visual improvement
	IERM peeling	IERM+ILM peeling	value ()	value ()
Kim et al., 2005 [19]	0.37 ± 0.22 (>6 mo)	0.54 ± 0.22 (>6 mo)	0.413/0.18	0.012/0.031
	VI: 9/17	VI: 8/17	>0.05
Kwok et al., 2005 [25]	0.674 ± 0.297 (18 mo)	0.41 ± 0.372 (18 mo)	—	—
	VI: 12/15	VI: 11/20	—
Liu and Mori, 2005 [24]	0.19 ± 0.17 (3 mo)	0.20 ± 0.19 (3 mo)	>0.05/>0.05	<0.01/<0.05
	VI: 12/20	VI: 8/18	—
Lee and Kim, 2010 [18]	0.32 ± 0.23 (18 mo)	0.20 ± 0.17 (18 mo)	0.784/0.11	0.001/0.000
	VI: 0.36 ± 0.30	VI: 0.48 ± 0.16	0.095
Pournaras et al., 2011 [17]	0.37 ± 0.42 (>6 mo)	0.32 ± 0.39 (>6 mo)	>0.1/>0.1	—
	VI: 8/15	VI: 19/24	—
Chang et al., 2013 [23]	0.24 ± 0.16 (3 mo)	0.31 ± 0.28 (3 mo)	0.15/0.13	—
	VI: 0.2 (avg.)	VI: 0.21 (avg.)	0.88
Oh et al., 2013 [16]	0.40 ± 0.18 (3 mo)	0.56 ± 0.26 (3 mo)	0.157/0.027	0.095/0.009
	0.43 ± 0.24 (6 mo)	0.46 ± 0.26 (6 mo)	0.667	0.026/0.171
	0.50 ± 0.28 (12 mo)	0.54 ± 0.28 (12 mo)	0.74	0.011/0.017
	VI: 21/23	VI: 18/20	0.740
Ahn et al., 2014 [22]	0.17 ± 0.17 (1 mo)	0.30 ± 0.22 (1 mo)	0.12/0.001	<0.001/<0.001
	0.11 ± 0.12 (12 mo)	0.17 ± 0.17 (12 mo)	0.15
	VI: —	VI: —	—

() Difference between preoperative/postoperative IERM peeling and IERM+ILM peeling group.
() Difference between preoperative and postoperative IERM peeling group/preoperative and postoperative IERM+ILM peeling group.