Tight adherent feature on optical coherence tomography predict postoperative visual outcome in epiretinal membrane eyes

Table 2 Optical coherence tomography parameters in eyes that underwent epiretinal membrane surgery between two ERM groups

Anatomic characteristics of ERM eyes
	Loose attached type I		Tight adhesion type II		P value^b
		P value^a		P value^a
No of eye	11		22
Pre-GCL + IPL (um)	93.67 ± 33.03		167.71 ± 13.77		0.023
Pre-OP	93.10 ± 23.06	0.09	169.11 ± 11.33	< 0.001
Post-OP	51.4 ± 10.96		73.90 ± 9.40
Df OP	41.7 ± 22.58		114.48 ± 17.24		0.02
INL (um)	69.83 ± 25.81		129.64 ± 17.84		0.086
Pre-OP	69.7 ± 17.17	0.382	119.62 ± 14.51	0.008
Post-OP	60.6 ± 13.19		67.53 ± 9.71
Df OP	15.8 ± 12.5		61.43 ± 16.62		0.087
ORL (um)	145.17 ± 51.9		155.14 ± 17.04		0.815
Pre-OP	151.3 ± 30.6	0.651	162.30 ± 15.42	0.468
Post-OP	137.3 ± 10.42		148.14 ± 10.90
Df OP	14 ± 29.92		44.05 ± 20.69		0.416
CRT (um)	451.7 ± 19.49		536.19 ± 15.78		0.01
Pre-OP	512 ± 17.14	< 0.001	540.67 ± 20.08	< 0.001
Post-OP	379 ± 15.29		388.67 ± 14.82
Df OP	88.45 ± 14.64		148.77 ± 18.41		0.04
Visual Characteristics of ERM eyes
					P value
Pre-BCVA (LogMAR)	0.67 ± 0.10		0.86 ± 0.08		0.182
Post-BCVA(LogMAR)	0.33 ± 0.05		0.51 ± 0.06		0.028

^aPaired t-test between pre-operational and post-operational thickness
^bIndependent t-tests between type I and type II ERM groups
Abbreviation: BCVA Best corrected visual acuity, GCL + IPL Ganglion cell layer and inner plexiform layer, INL Inner nuclear layer, ORL Outer retinal layer, CRT Central fovea thickness, LogMAR Logarithm of the Minimum Angle of Resolution

ISSN: 1471-2415