Prospective study of vitrectomy for epiretinal membranes in patients with good best-corrected visual acuity

BMC Ophthalmology

Table 3 Factors affecting postoperative horizontal metamorphopsia score (linear mixed-effects model, multivariate analysis)

Trend model	Parameter 95% CI
Trend model	Est.	Lower limit	Upper limit	SD	P-value
Segment	−0.0085	−0.1730	0.1560	0.0825	0.9182
Time point (Trend)	0.0334	−0.0150	0.0818	0.0246	0.1757
Pre-op MH	0.9424	0.7878	1.0970	0.0784	< 0.0001
Pre-op MH and Time point (Trend) interaction	−0.1673	−0.2136	−0.1209	0.0235	< 0.0001

MH horizontal metamorphopsia score, SD standard deviation, Est. estimated value

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