Table 1.

Pre- and intraoperative characteristics of the 70 patients with primary ERM and complete preoperative imaging

Number of eyes, n	70
Age, years	69.2 ± 8.1 (41–87)
Male gender, n (M/F ratio)	38 (1.2)
Side: right eye, n (%)	37 (53)
Preoperative BCVA, LogMAR Snellen equivalent	0.38 ± 0.19 (0.1–1) 20/50
Lens status, n (%)
Phakic	49 (70)
Preoperative parameters on the OCT B-scan
CMT (µm)	451 ± 91 (265–708)
Cysts, n (%)	9 (12.8)
Pseudo-hole, n (%)	5 (7.1)
ERM edge, n (%)	7 (10)
Intraoperative parameters
Complete PVD, n (%)	59 (84)
ILM peeling, n (%)	52 (74.3)

Quantitative values are presented as a mean ± standard deviation (range)

BCVA best-corrected visual acuity, CMT central macular thickness, ERM epiretinal membrane, ILM internal limiting membrane, PVD posterior vitreous detachment