Table 1.

Comparison of demographics among three groups.

	Isometropia	Low anisometropia	High anisometropia	F/χ2	P
n	35	42	33
M/F	15/20	20/22	14/19	0.261	0.878
Age (y)	10.66 ± 1.89	11.69 ± 2.21	11.79 ± 2.59	2.764	0.068
Time of myopia (y)	1.26 ± 1.44	1.39 ± 1.76	3.79 ± 2.59	18.115	<0.001
SER (D)	0.37 ± 0.31	1.61 ± 0.40	3.28 ± 0.77	267.665	<0.001

M: male; F: female; SER: spherical equivalent refraction; Chi-square test was used for sex, and univariate ANOVA was used for age, time of myopia, and SER.