Table 2.

Descriptive statistics (Mean, Median, SD, Range, Kurtosis and Skewness) of SE diopter in left eyes

Age(yrs)	Mean*	Median		SD	Range	Kolmogorov-Smirnov test		Kurtosis	Skewness
						z-statistic	P-value
Total	0.47	0.75		1.20	-10.00~8.13	11.116	<0.001	10.68	-1.80
6	1.36a	1.25		0.58	-0.50~4.38	3.011	<0.001	9.29	1.92
7	1.22b	1.25		0.77	-3.25~8.13	3.808	<0.001	27.48	1.52
8	0.94c	1.00		0.95	-4.00~6.25	3.898	<0.001	12.91	-0.43
9	0.66d	0.75		0.87	-4.38 ~3.25	3.785	<0.001	10.06	-2.34
10	0.56d	0.75		1.04	-10.00~5.00	4.391	<0.001	34.37	-3.84
11	0.21e	0.50		1.11	-8.50~2.50	4.299	<0.001	17.58	-3.26
12	0.13ef	0.37		1.06	-5.38~5.50	3.793	<0.001	6.46	-1.43
13	-0.00f	0.37		1.30	-7.50~6.00	4.524	<0.001	11.15	-2.32
14	-0.23g		0.25	1.52	-8.00~8.00	4.843	<0.001	6.40	-1.36
15	-0.14g		0.25	1.21	-5.13~3.50	3.641	<0.001	2.90	-1.36
6-8	1.15		1.25	0.82	-4.00~8.13	5.639	<0.001	17.65	0.15
9-12	0.41		0.62	1.05	-10.00~5.50	7.238	<0.001	16.81	-2.67
13-15	-0.13		0.25	1.38	-8.00~8.00	7.717	<0.001	7.21	-1.64

* Means in the same column with different letters (a, b, c, d, e, f, g) were significantly different (P<0.05, ANOVA, LSD).