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Table 4 Multiple linear regression analysis of factors predicting postoperative VA

From: Frequently assessed and used prognostic factors for outcome after macular hole surgery: which is better?

Parameter Coefficient 95% CI p Sign. level
MLD < 0.001 0.0003087 to 0.001009 < 0.001 ***
BD < 0.001 −0.0001642 to 0.0002001 0.761 ns
H < 0.001 −0.0004810 to 0.0006534 0.750 ns
Ar 0.234 −0.2975 to 0.4503 0.196 ns
Cy < 0.001 −9.104e-006 to 8.774e-006 0.739 ns
VA preop 0.190 0.1308 to 0.4241 0.009 **
  1. In multiple linear regression analysis, only parameters with highly significant correlations (min. p ≤ 0.01) with postoperative visual acuity and only patients with a closed MH (n = 164) were included. Macular hole indices were omitted due to multicollinearity/redundancy of the data. The aperture diameter and preoperative visual acuity were the strongest predictive factors for postoperative visual acuity. Abbreviations: CI confidence interval, MLD minimum linear diameter, BD base diameter; H max. Height, Ar area of MH, Cy area of pseudocysts, VA visual acuity, ns not significant; **: p ≤ 0.01; ***: p ≤ 0.001