Table 1.

Demographic data of both groups, including sample size, age, gender, and Amsler–Krumeich classification of grading keratoconus

	Treated group	Untreated group
Sample size	n=18	n=6
Age (years)	26.35±6.49	29.83±7.03
Gender (ratio M:F)	Male 15/female 3 (5:1)	Male 5/female 1 (5:1)
Classification of keratoconus	2.063±0.5	2.15±0.4

Note: Data shown as mean ± SD and p-value.

Abbreviations: SD, standard deviation; M, male; F, female.