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Table 1 Demographic characteristics of normal, subclinical keratoconus, and keratoconus groups

From: Machine learning helps improve diagnostic ability of subclinical keratoconus using Scheimpflug and OCT imaging modalities

 

Normal (n = 50)

Sub KC (n = 33)

KC (n = 38)

SE (D)

−3.9 ± 2.3

−3.7 ± 4.0

−6.7 ± 4.5*

BCVA (decimal VA)

1.1 ± 0.1

1.0 ± 0.2*

0.5 ± 0.3*

Max-K (D)

43.0 ± 1.3

43.1 ± 1.9

46.3 ± 3.3*

Min-K (D)

44.3 ± 1.6

44.7 ± 1.3

51.2 ± 4.7*

Avg-K (D)

43.7 ± 1.4

43.9 ± 2.0

48.8 ± 3.6*

Ast-K (D)

1.3 ± 0.7

1.6 ± 0.9

5.3 ± 3.1*

  1. Normal= normal group; Sub-KC= subclinical keratoconus group; KC= keratoconus group; n= number of eyes; SE= spherical equivalent; BCVA= best corrected visual acuity; Max-K= maximum keratometry; Min-K= minimum keratometry; Avg-K= average keratometry; Ast-K= astigmatic keratometry; VA= visual acuity; D= diopter; *P < 0.05 compared to the normal group
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Eye and Vision

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