Prevalence of reduced visual acuity among adolescents in Jiaocheng County, Shanxi Province

BMC Ophthalmology

Table 1 The prevalence of reduced UCDVA among students in Jiaocheng County, Shanxi Province

Age group /years	County girls		County boys		Suburban girls		Suburban boys		Girls		Boys		Total
Age group /years	n %		n %		n %		n %		n %		n %		n %
7–9	154	60.39	202	58.38	196	53.85	182	39.82	350	56.54	384	47.82	734	51.62
10–12	502	76.64	547	65.12	1003	69.60	963	61.89	1505	71.80	1510	63.02	3015	67.12
13–15	1044	91.26	1092	83.81	832	86.76	802	77.19	1876	89.21	1894	80.87	3770	84.81
16–18	818	95.34	636	92.31	415	90.61	469	82.43	1233	93.69	1105	87.84	2338	90.83
19–21	417	96.08	357	92.25	136	94.44	128	83.66	553	95.67	485	89.81	1038	92.84
Total	2935	87.43	2834	78.98	2582	76.96	2544	67.82	5517	82.20	5378	73.28	10,895	77.54

ISSN: 1471-2415