Table 4. Changes in refractive power and axis oculi at baseline and after 1-year in the two groups.

Parameters	Test group	Control group	P
Baseline refractive power (D)	-2.81±0.96	-2.67±0.93	0.442
Refractive power at 3mo (D)	-2.95±0.93	-2.77±0.95	0.298
Refractive power at 6mo (D)	-3.10±0.98	-2.95±0.92	0.363
Refractive power at 9mo (D)	-3.14±0.99	-3.05±0.94	0.536
Refractive power at 1a (D)	-3.24±0.98	-3.15±0.95	0.638
Difference of refractivepower at 1a (D)	0.47±0.40	0.43±0.34	0.461
Baseline axis oculi (mm)	25.62±0.86	25.32±0.96	0.071
Axis oculi at 1a (mm)	25.73±0.87	25.47±0.92	0.108
Difference of axis oculi	0.11±0.13	0.15±0.26	0.332

Independent-samples t-test.

mean±SD