TABLE 2.

Ophthalmology examination between the orthokeratology (OK) group and control group after 12 months.

	OK group (12 months)	Control group (12 months)	P-value
SE (D), mean ± SD	40.97 ± 0.87	43.24 ± 0.99	0.980†
AL (mm), mean ± SD	24.21 ± 0.57	24.40 ± 0.61	0.148†
AL growth (mm), mean ± SD	0.07 ± 0.01	0.21 ± 0.03	<0.001†*
Corneal apical power (D), mean ± SD	41.32 ± 0.96	43.58 ± 1.10	0.466†
Corneal apical power change (D), mean ± SD	2.20 ± 0.60	0.03 ± 0.28	<0.001†*
Corneal equivalent power (D), mean ± SD	41.64 ± 0.87	43.19 ± 1.02	0.472†
Corneal equivalent change (D), mean ± SD	2.28 ± 1.04	0.73 ± 0.40	<0.001†*
Corneal keratometry astigmatism (D), mean ± SD	0.69 ± 0.58	0.67 ± 0.48	0.280†
CECC, mean ± SD	2807.49 ± 95.85	2780.68 ± 95.94	0.852†
IOP (mmHg), mean ± SD	15.13 ± 1.55	14.60 ± 1.55	0.955†
Naked eye vision, mean ± SD	−0.02 ± 0.06	0.79 ± 0.35	<0.001†*
TBUT (s), mean ± SD	11.97 ± 1.08	12.00 ± 0.82	0.914†

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

^†Independent sample t-test.

*Statistically significant.

Bold values indicate P < 0.05.