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Table 1 Differences in keratometry from axial topography and maximum tangential curvature, as defined by Cspot magnitude, between central cones and peripheral cones

From: Keratoconus cone location influences ocular biomechanical parameters measured by the Ocular Response Analyzer

Parameters

Central-cone cohort (n = 36)

Peripheral-cone cohort (n = 41)

P value

Steep-meridian keratometry value (D)

54.44 ± 10.83

47.42 ± 3.51

0.0006*

Flat-meridian keratometry value (D)

49.90 ± 9.06

44.52 ± 3.18

0.0015*

Corneal cylinder (D)

4.54 ± 3.24

2.90 ± 2.44

0.01*

Maximum tangential curvature (D)

50.93 ± 12.48

53.36 ± 6.22

0.26

  1. Values are mean ± standard deviation. Significance threshold α = 0.05
  2. *P < 0.05, t-test
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Eye and Vision

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