Table 2. Changes of SE and AL at the 6-month follow-up in the atropine and control group.

Variables	Control group (n=120 eyes)	Atropine group (n=250 eyes)	Difference	95%CI	t	P
SE, D
Initial	-1.59±0.94	-1.64±0.80	0.05±0.09	-0.14 to 0.23	0.514	0.608
After 6mo	-2.19±0.92	-1.91±0.87	-0.28±0.10	-0.48 to -0.09	-2.895	0.004
Changes at 6mo	-0.60±0.35	-0.27±0.33	-0.33±0.04	-0.41 to -0.26	-8.891	0.000
AL, mm
Initial	24.06±0.77	24.13±0.76	-0.08±0.08	-0.24 to 0.09	-0.902	0.367
After 6mo	24.31±0.76	24.32±0.76	-0.01±0.09	-0.17 to 0.16	-0.105	0.916
Change at 6mo	0.26±0.14	0.19±0.14	0.07±0.02	0.04 to 0.10	4.306	0.000

SE: Spherical equivalent; AL: Axial length; CI: Confidence interval.

mean±SD