Short-term-outcomes of idiopathic epiretinal membranes treated with pars-plana-vitrectomy – examination of visual function and OCT-morphology

Table 3 morphological criteria, preoperative and postoperative mean BCVA and disease staging; p-value under 0.05 was considered statistically significant (Significant values are bold). *: p-Value after comparative analysis using Mann-Whitney-U-Test; **: p-Value after regression analysis with linear regression

Morphological criteria	Number (n)	preoperative BCVA (LogMar; mean)	postoperative BCVA (LogMar; mean)	p-Value*	p-Value **	preoperative Disease staging (median)	postoperative Disease staging (median)	p-Value *	p-Value **
Intraretinal fluid	32	0.5	0.3	< 0.001	0.283	3	2	< 0.001	0.080
Preoperative increased CFT	65	0.4	0.2	< 0.001	0.104	3	2	< 0.001	0.258
Cotton Ball Sign/ CBA	30	0.5	0.3	0.03	0.009	3	2	< 0.001	0.120
Disrupted EZ/IZ Integrity	39	0.4	0.3	0.93	0.949	3	2	0.41	0.131
VMT	14	0.5	0.3	0.003	< 0.001	2	1	0.28	0.533

n: Number; BCVA: best corrected visual acuity; LogMar = logarithm of the minimum angle of resolution; preop. = preoperatively; CFT: central foveal thickness; CBA: Anomaly of the central bouquet; EZ: ellipsoid zone; IZ: Interdigitation Zone; VMT: vitreomacular traction

ISSN: 2056-9920