Table 3. Optical Coherence Tomographic Imaging and Functional Outcomes Between Patients With and Without Retinal Displacement.

Outcome	Displacementa				P value
	With		Without
	Total No.	No. (%)	Total No.	No. (%)
Optical coherence tomographic imaging
Cystoid macular edema	59	13 (22.0)	166	26 (13.9)	.15
Normal foveal contour	60	34 (56.7)	165	110 (66.7)	.17
Subretinal fluid	60	6 (10.0)	165	24 (14.5)	.38
ERM grade
No.	63		175		.28
No ERM		25 (39.7)		88 (50.3)
0		7 (11.1)		29 (16.6)
1		25 (39.7)		43 (24.6)
2		3 (3.2)		7 (4.0)
3		3 (4.8)		5 (2.9)
4		1 (1.6)		3 (1.7)
Retina folds 3 mm
Inner	60	0	164	1 (0.6)	.54
Outer	60	0	164	3 (1.8)	.29
Choroidal folds 3 mm	60	0	165	1 (0.6)	.55
Retina folds 6 mm
Inner	60	0	163	1 (0.6)	.54
Outer	60	1 (1.7)	163	8 (4.9)	.28
Choroidal folds 6 mm	60	0	164	1 (0.6)	.54
External-limiting membrane 3 mm	57	25 (43.9)	153	51 (33.3)	.16
Inner segment/outer segment 3 mm	58	38 (65.5)	158	81 (51.3)	.06
Interdigitation zone 3 mm	57	54 (94.7)	161	134 (83.2)	.03
Retinal pigment epithelium 3 mm	59	1	165	1 (0.6)	.55
External-limiting membrane 6 mm	56	11 (19.6)	147	34 (23.1)	.59
Inner segment/outer segment 6 mm	58	13 (22.4)	157	37 (22.6)	.86
Interdigitation zone 6 mm	57	55 (96.5)	162	135 (83.3)	.01
Retinal pigment epithelium 6 mm	60	1 (1.7)	164	0	.1
Functional
Visual acuity, mean (SD), logMAR	55	0.57 (0.46)	166	0.35 (0.34)	.002
Snellen equivalent		20/74		20/45
Metamorphopsia
Vertical	30	25 (83.3)	117	65 (55.6)	.005
Horizontal	30	20 (66.7)	117	62 (53.0)	.18
Aniseikonia	29	15 (51.7)	113	54 (47.8)	.7

Abbreviation: ERM, epiretinal membrane.

^aThe numbers for some variables differ because poor-quality scans limited image interpretation.