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Table 3 Differences in biomechanical parameters between central cones and peripheral cones for tangential topography

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

Parameters

Central-cone cohort (n = 53)

Peripheral-cone cohort (n = 25)

P value

Waveform score

6.34 ± 1.95

7.34 ± 1.84

0.04*

Corneal hysteresis (mmHg)

9.02 ± 1.51

9.33 ± 1.76

0.42

P1area

3356 ± 1357

4211 ± 1456

0.01*

P2area

3628 ± 1569

4488 ± 1446

0.02*

W1

18.94 ± 2.46

18.88 ± 2.45

0.92

W2

25.40 ± 6.65

24.68 ± 4.79

0.63

H1

389 ± 154

470 ± 145

0.03*

H2

348 ± 121

440 ± 150

0.005*

  1. Values are mean ± standard deviation. Significance threshold α = 0.05.
  2. P1area = area of the first peak; P2area = area of the second peak; W1 = width of the first peak; W2 = width of the second peak; H1 = height of the first peak; H2 = height of the second peak
  3. *P < 0.05, t-test
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Eye and Vision

ISSN: 2326-0254