Correlation between retinal sensitivity assessed by microperimetry and structural abnormalities on optical coherence tomography after successful epiretinal membrane surgery

Table 1 Clinical characteristics of patients and controls

Variables	Category/	Patients	Controls	p-value
Variables	Measure	(n = 43)	(n = 43)	p-value
Age (years)	–	69.4 ± 4.4	68.3 ± 7.9	0.45^a
Gender	Women	24 (55.8%)	24 (55.8%)	1.00^b
Gender	Men	19 (44.2%)	19 (44.2%)	1.00^b
Visual acuity (LogMAR)	Pre-op	0.37 ± 0.19	0.01 ± 0.04	< 0.001^a
Visual acuity (LogMAR)	Post-op	0.04 ± 0.09	0.01 ± 0.04	0.03^a
	< 0.001^d
IOP		14.6 ± 3.5	13.6 ± 2.4	0.12^a
ERM classification	1	0 (0.0%)
	2	12 (27.9%)
	3	21 (48.8%)
	4	10 (23.3%)
Time after surgery(months)		9.6 ± 6.6
OCT findings		9.6 ± 6.6
DRIL		18 (41.9%)
Preoperative		18 (41.9%)
Postoperative		7 (16.3%)
Outer retinal changes				0.007^c
Preoperative		11 (25.6%)
Postoperative		10 (23.3%)
Intraretinal microysts				1.00^c
Preoperative		12 (27.9%)
Postoperative		15 (34.9%)
DONFL Postoperative		38 (88.4%)		0.58^c

Bold values denote statistical significance at the p < 0.05
IOP intraocular pressure, ERM epiretinal Membrane, DRIL disorganization of the retinal inner layers, OCT Optical coherence tomography, DONFL dissociated optic nerve fiber layer
^aIndependent t-test
^bChi-square test
^cMcNemar test
^dPaired t-test (BCVA pre versus postoperative)

ISSN: 2056-9920