Table 2.

Comparison of preoperative and postoperative BCVA, CFT, and the thickness of EIFL in patients with idiopathic epiretinal membranes.

Time point	BCVA (logMAR)		CFT (µm)		The thickness of EIFL (µm)
	Mean ± SD	p valuea	Mean ± SD	p valuea	Mean ± SD	pvaluea
Preoperative	0.47 ± 0.16		480.08 ± 60.47		183.41 ± 89.5
Post-1M	0.38 ± 0.18	0.008∗	384.03 ± 41.55	<0.001∗	104.18 ± 46.13	0.012∗
Post-6M	0.25 ± 0.14	0.001∗	360.03 ± 44.84	<0.001∗	93.25 ± 27.1	0.028∗
Post-12M	0.20 ± 0.13	<0.001∗	342.63 ± 42.46	<0.001∗	80.5 ± 37.3	0.003∗

^a P value vs. preoperative; BCVA, best-corrected visual acuity; CFT, central foveal thickness; EIFL, ectopic inner foveal layer.