Table 1.
Variables | Worse Eyes (n = 53) | Fellow Eyes (n = 53) | t valuea | P value |
D-value Mean ± SD |
||
---|---|---|---|---|---|---|---|
Mean ± SD | Range | Mean ± SD | Range | ||||
K1 (D) | 50.72 ± 7.60 | 41.40 to 70.70 | 43.77 ± 2.95 | 35.50 to 54.30 | 6.922 | < 0.001b | 6.95 ± 7.30 |
K2 (D) | 55.56 ± 8.15 | 43.20 to 74.60 | 46.38 ± 3.62 | 41.30 to 56.10 | 8.614 | < 0.001b | 9.18 ± 7.75 |
Kmax (D) | 63.79 ± 11.49 | 45.20 to 86.90 | 50.03 ± 6.57 | 42.10 to 69.00 | 9.791 | < 0.001b | 13.76 ± 10.23 |
CCT (μm) | 477.5 ± 42.7 | 377 to 576 | 515.0 ± 37.5 | 424 to 587 | −8.350 | < 0.001b | −37.57 ± 32.75 |
TCT (μm) | 459.3 ± 45.8 | 331 to 541 | 504.3 ± 39.9 | 404 to 583 | −7.933 | < 0.001b | −45 ± 41.30 |
ACD (mm) | 3.51 ± 0.32 | 2.62 to 4.39 | 3.36 ± 0.29 | 2.65 to 3.91 | 4.539 | < 0.001b | 0.15 ± 0.24 |
OAL (mm) | 24.76 ± 1.24 | 22.26 to 27.28 | 24.97 ± 1.40 | 22.37 to 27.70 | −3.120 | 0.003b | −0.21 ± 0.49 |
ASL (mm) | 4.01 ± 0.30 | 3.19 to 4.88 | 3.94 ± 0.35 | 3.19 to 5.46 | 1.876 | 0.066 | 0.07 ± 0.25 |
PSL (mm) | 20.76 ± 1.15 | 18.58 to 23.26 | 21.03 ± 1.31 | 18.50 to 23.54 | −4.537 | < 0.001b | −0.27 ± 0.44 |
MRSE = manifest refraction spherical equivalent; D = diopter; K1 = flat keratometry value;K2 = steep keratometry value; Kmax = maximum keratometry value; CCT = central corneal thickness; TCT = thinnest corneal thickness, ACD = anterior chamber depth; OAL = optical axial length; ASL = anterior segment length; PSL = posterior segment length
aPaird t-test
bSignificant difference was detected between groups