TABLE 1.
Comparison of Characteristics and Intraocular Pressure
| Characteristic | FFKC Group Mean ± SD (Range) | Control Group Mean ± SD (Range) | Pa |
|---|---|---|---|
| Patients | 21 | 76 | – |
| Eyes | 21 | 76 | – |
| Age (y) | 25.5 ± 7.2 (14.9 to 48.5) | 25.7 ± 5.2 (12.5 to 38.8) | .50 |
| Central pachymetry (μm) | 527.3 ± 16.7 (477 to 576) | 530 ± 26.3 (458 to 632) | .05 |
| Thinnest point (μm) | 526 ± 16.9 (474 to 566) | 527.4 ± 26 (457 to 629) | .10 |
| Astigmatism (D) | 1.20 ± 0.80 (0.20 to 3.40) | 1.50 ± 1.10 (0.10 to 5.30) | .30 |
| Kmax (D) | 44.90 ± 1.80 (42.30 to 48.40) | 44.40 ± 1.40 (400 to 47.70) | .50 |
| IOPg (mm Hg) | 12.5 ± 2.8 (8.4 to 17.2) | 13.8 ± 2.9 (7.9 to 20) | .10 |
| IOPcc (mm Hg) | 14.3 ± 3.4 (9.9 to 21) | 14.8 ± 2.6 (7.6 to 21.7) | .30 |
FFKC = forme fruste keratoconus; SD = standard deviation; D = diopters; Kmax = maximum keratometry; IOPg = Goldmann intraocular pressure; IOPcc = corneal compensate intraocular pressure
a
Mann–Whitney U test.