Table 4 Mean ± standard deviation of the main discriminators in the Down syndrome (DS) keratoconus (DS-KC), DS keratoconus suspect (DS-KCS), DS non-ectatic comparison (DS-C), and non-DS normal control (NC) groups of the study
From: Tomography-based definition of keratoconus for Down syndrome patients
Index | DS-KC (n = 25) | DS-KCS (n = 46) | DS-C (n = 154) | NC (n = 200) |
|---|---|---|---|---|
Minimum corneal thickness (μm) | 484.12 ± 32.34 | 492.28 ± 37.57 | 515.48 ± 30.36 | 546.9 ± 40.5 |
Corneal Volume (mm3) | 57.45 ± 4.37 | 55.13 ± 3.35 | 57.62 ± 3.26 | 61.19 ± 4.04 |
Belin Ambrosio display-total deviation | 2.98 ± 1.44 | 2.26 ± 0.66 | 1.72 ± 1.02 | 1.20 ± 0.53 |
Anterior HOA (μm) | 1.13 ± 1.00 | 0.60 ± 0.17 | 0.55 ± 0.18 | 0.37 ± 0.09 |
Posterior vertical coma (μm) | 0.15 ± 0.19 | 0.06 ± 0.04 | 0.05 ± 0.03 | 0.02 ± 0.02 |
Anterior vertical coma (μm) | 0.70 ± 0.77 | 0.29 ± 0.19 | 0.20 ± 0.13 | 0.14 ± 0.09 |
Total HOA (μm) | 1.12 ± 0.89 | 0.62 ± 0.17 | 0.57 ± 0.19 | 0.38 ± 0.12 |