Microperimetric Assessment after Epiretinal Membrane Surgery: 4-Year Follow-Up

Table 3

Statistical analysis (MS: mean sensitivity; MD: mean defect; Fix: fixation; BCVA: best-corrected visual acuity; CRT: central retinal thickness).

value–Wilcoxon test	MS	MD	10° microscotoma	Fix 2°	Fix 4°	BCVA	CRT
Preoperative versus 90 days	0.010	0.006	0.459	0.841	0.986	<0.001	<0.001
Preoperative versus 180 days	0.036	0.016	0.429	0.124	0.124	<0.001	<0.001
Preoperative versus 1 year	0.037	0.044	0.246	0.401	0.841	<0.001	<0.001
Preoperative versus 4 years	0.001	<0.001	0.267	0.070	0.174	<0.001	<0.001
1 year versus 4 years	0.001	<0.001	0.872	0.368	0.215	0.080	0.078