Comparison of Visual Outcome and Morphologic Change between Different Surgical Techniques in Idiopathic Epiretinal Membrane Surgery

Table 1

Preoperative demographics of patients in three groups.

	Total ()	Group I ()	Group II ()	Group III ()	p; I versus II	p; II versus III	p; I versus III
Age (yrs)	64.4 ± 7.6	65.7 ± 7.4	64.0 ± 8.1	63.4 ± 7.4	0.489	0.815	0.329
M/F	25/35	8/11	9/11	8/13	1.000	0.756	1.000
Phakia	26 (43.3%)	8 (42.1%)	8 (40%)	10 (47.6%)	1.000	0.756	0.761
LogMAR	0.79 ± 0.42	0.80 ± 0.40	0.82 ± 0.48	0.77 ± 0.40	0.859	0.700	0.827
CFT (μm)	491.5 ± 114.8	480.1 ± 102.6	501.7 ± 13.27	491.4 ± 111.6	0.585	0.790	0.754

CFT: central foveal thickness; ERM: epiretinal membrane; F: female; Group I: ERM removal without ILM peeling; Group II: ERM removal and whole-piece ILM peeling; Group III: ERM removal and maculorrhexis ILM peeling; ILM: internal limiting membrane; LogMAR: logarithm of the minimum angle of resolution; M: male; yrs: years.