Table 1.

Baseline patient characteristics of 221 eyes of 130 patients who underwent CXL between March 2010 and March 2013 at our private clinic. PRK: photorefractive keratectomy; ICRS: intrastromal corneal ring segments; n%: number (percentage).

Characteristics	Value
Gender
Male (n%)	68 (52%)
Female (n%)	62 (48%)
Age, years
16–30	95 (73.1%)
30–50	35 (26.9%)
Stage of KC (Amsler-Krumeich)
Stage 1 (n%)	96 (43%)
Stage 2 (n%)	100 (45%)
Stage 3 (n%)	25 (12%)
Keratometry, diopters
Flattest meridian
40–44	132 (60%)
44–46	89 (40%)
Steepest meridian
45–58	122 (55%)
58–68	99 (45%)
Maximal keratometry
48–58	103 (47%)
58–68	118 (53%)
Pachymetry, microns
400–450	156 (70%)
450–580	65 (30%)
Associated surgeries n%	70 (32%)
ICRS n%	50 (23%)
PRK n%	20 (9%)