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Table 3 Correlation of differences in topographic features and macular thickness

From: Quantitative analysis of macular contraction in idiopathic epiretinal membrane

Parameters

Values

r

P-value

Δ vessel segment length in area

  

 Superior

346.6 ± 269.0

0.813

0.001*

 Inferior

358.1 ± 605.0

0.593

0.033*

 Nasal

256.7 ± 261.4

0.632

0.521

 Temporal

885.5 ± 656.6

0.872

<0.001*

 Sum

1846.9 ± 1556.8

0.687

0.010†

Δ length from the foveal center to the vessel branching point

 Superior

694.9 ± 633.8

0.560

0.046*

 Inferior

636.2 ± 496.3

0.505

0.059

 Sum

1331.2 ± 763.2

0.610

0.027†

Δ macular thickness

   

 Superior

50.5 ± 41.5

 

—

 Inferior

62.6 ± 132.3

 

—

 Nasal

51.4 ± 87.2

 

—

 Temporal

87.1 ± 66.6

 

—

 Central

65.8 ± 68.4

 

—

  1. All values are given as mean ± standard deviation (μm).
  2. *P-value by Spearman correlation between Δlength and Δmacular thickness of each area.
  3. †P-value by Spearman correlation between Δlength and Δcentral macular thickness.