Crosslinking vs. Observation in Fellow Eyes of Keratoconus Patients
Table 2
Baseline disease severity in crosslinked and naïve fellow eyes.
Variable
Overall (N = 79)
CXL fellow eye Group 1 (N = 30)
Naïve fellow eye Group 2 (N = 49)
value
K1
43.8 [42.5, 46.1]
45.0 [43.2, 47.3]
43.5 [42.3, 45.0]
0.026
K2
46.3 [44.4, 50.7]
48.2 [45.5, 53.4]
45.2 [43.3, 49.9]
0.006
Km
45.2 [43.3, 48.1]
46.4 [44.2, 49.9]
44.4 [42.9, 46.8]
0.01
Front Kmax
50.5 [46.5, 57.4]
56.2 [49.4, 64.5]
47.8 [44.9, 56.1]
0.002
Thinnest pachymetry
480.5 [444.0, 509.0]
467.0 [434.0, 494.0]
484.0 [447.0, 516.0]
0.13
Pachymetry at the apex
493.0 [458.0, 521.0]
479.0 [440.0, 507.0]
497.0 [458.0, 526.0]
0.16
Values are presented as the median [interquartile range]. K1 flat keratometry, K2 steep keratometry, Km mean keratometry, Front Kmax front maximum keratometry. All keratometry readings are presented in Diopters, whereas pachymetry values are presented in μm.
