Table 3. Spherical equivalent and axial length at 2.5y follow-up of children either nonmyopic or myopic at baseline in the two groups.

Parameters	Nonmyopic at baseline (n=1198)				Myopic at baseline (n=190)
	Intervention group	Control group	Difference	P	Intervention group	Control group	Difference	P
SE, mean±SD (D)
Baseline	0.03±0.57	0.04±0.53	-0.01	0.698	-1.85±0.88	-2.13±1.06	0.28	0.051
Base to 12mo	-0.15±0.50	-0.19±0.59	0.04	0.300	-0.33±0.95	-0.56±0.78	0.23	0.065
Base to 24mo	-0.34±0.75	-0.38±0.83	0.04	0.362	-0.94±1.47	-1.25±1.34	0.31	0.133
Base to 30mo	-0.37±0.89	-0.51±0.93	0.14a	0.009	-1.13±1.49	-1.55±1.46	0.42b	0.048
AL, mean±SD (mm)
Baseline	22.94±0.74	22.89±0.73	0.05	0.293	23.76±0.85	23.89±1.08	-0.13	0.366
Base to 12mo	0.23±0.14	0.24±0.21	-0.01	0.574	0.38±0.19	0.43±0.30	-0.05	0.203
Base to 24mo	0.51±0.29	0.57±0.36	-0.06c	0.008	0.78±0.34	0.84±0.41	-0.06d	0.247

SE: Spherical equivalent, baseline to 30mo ^a(27.5%), ^b(27.1%); AL: Axial length, baseline to 24mo ^c(10.5%), ^d(0.71%).