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. 2017 Aug 18;10(8):1261–1267. doi: 10.18240/ijo.2017.08.13

Table 8. Comparison of asthenopia grading before and after wearing glasses between the two groups.

Groups	Baseline	Glasses for 6mo	P (baseline vs glasses for 6mo)	Glasses for 12mo	P (baseline vs glasses for 12mo)
Test group	10.23±1.55	9.10±2.11	0.016^a	8.80±1.79	0.01^a
Control group	10.13±1.76	10.03±1.77	0.725	9.97±1.73	0.596
P (test group vs control group)	0.816	0.024^a		0.013^a

^aP<0.05. Independent samples t-test, paired t-test.

mean±SD