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Table 4 Multivariate regression between Graft Arc Length and Trephine diameter

From: Correlation of anterior segment optical coherence tomography measurements with graft trephine diameter following descemet stripping automated endothelial keratoplasty

Independent variables in regression model

B coefficient* (95%CI)

P value

Adjusted R2

Recipent age, sex, posterior cornea arc length

1.112 (0.935, 1.289)

<0.001

0.677

Recipent age, sex, posterior cornea arc length, AC width

1.134 (0.958, 1.310)

<0.001

0.686

Recipent age, sex, posterior cornea arc length, AC width, thickness

1.134 (0.955, 1.312)

<0.001

0.683

Recipent age, sex, Cornea posterior curvature

1.162 (0.999, 1.324)

<0.001

0.682

Cornea Posterior curvature

1.154 (0.998, 1.310)

<0.001

0.685

AC width

1.117 (0.959, 1.276)

<0.001

0.691

Recipent age, sex, Cornea posterior curvature, posterior cornea arc length, AC width

1.122 (0.951, 1.292)

<0.001

0.694

Cornea Posterior curvature, AC width**

1.112 (0.954, 1.269)

<0.001

0.697

  1. *B coefficient for trephine diameter.
  2. **Final model using backward selection.
  3. All variables in the models were tested for colinearity with acceptable tolerence.
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BMC Medical Imaging

ISSN: 1471-2342

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