Table 1.

Baseline characteristics of patients in the AOK group and the OK group

	AOK group (N = 68)	OK group (N = 68)	p value
Age, year	9.90 ± 1.59	10.00 ± 1.57	0.713*
Sex, no. (%)			1.000a
Male	28 (41.2)	28 (41.2)
Female	40 (58.8)	40 (58.8)
SER, D	−3.68 ± 1.25	−3.25 ± 1.26	0.052*
AL, mm	25.10 ± 0.87	25.00 ± 0.85	0.472*
FK, D	41.95 ± 1.29	42.06 ± 1.16	0.614*
SK, D	43.25 ± 1.56	43.14 ± 1.23	0.649*
AVE, D	42.59 ± 1.37	42.60 ± 1.17	0.953*
CCT, μm	549.53 ± 25.64	549.47 ± 29.01	0.990*
NCT, mmHg	16.06 ± 2.29	15.93 ± 2.28	0.725*

Data are presented as mean ± standard deviation, unless otherwise indicated

AOK combination therapy group, OK monotherapy group, SER spherical equivalent refraction, D diopter, AL axial length, mm millimeter, FK flattest keratometry, SK steepest keratometry, AVE average kerotometry, CCT central corneal thickness, μm micrometer, NCT non-contact tonometer, mmHg millimeter of mercury

*Independent group t test

^aChi-squared test