TABLE 1.

Demographic data and clinical characteristics of the patients.

	OK group	Control group	P-value
Number of eyes (n)	45	40	–
SE (D), mean ± SD	−2.27 ± 1.08	−1.88 ± 0.99	0.347†
Naked eye vision, mean ± SD	0.74 ± 0.44	0.72 ± 0.38	0.795†
IOP (mmHg), mean ± SD	15.31 ± 1.66	15.45 ± 1.40	0.113†
AL (mm), mean ± SD	24.09 ± 0.59	24.06 ± 0.63	0.616†
Corneal apical power (D), mean ± SD	43.51 ± 1.05	43.61 ± 1.08	0.808†
Corneal equivalent power (D), mean ± SD	43.25 ± 1.04	43.25 ± 1.00	0.863†
Corneal keratometry astigmatism (D), mean ± SD	0.53 ± 0.31	0.73 ± 0.40	0.117†
CECC, mean ± SD	2688.87 ± 285.38	2608.83 ± 258.38	0.550†

AL, axial length; CECC, corneal endothelial cell count; D, diopter; IOP, intraocular pressure; OK, orthokeratology; SE, spherical equivalent; SD, standard deviation.

^†Independent sample t-test.