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对1428名长航中、小学生健康状况进行调查发现学生视力状况不良,沙眼检出率较高。 1.对象与方法 长航在武汉地区中小学生1428名,年龄7～18岁。由专科医生按1984年“中国学生体质、健康调查研究手册”中的要求进行。检测视力、沙眼、心脏及耳、鼻、喉疾患等。 2.结果 不同年龄段视力不良检出率与定基比相比 7～9岁检出率9.74％,10～12岁18.07％,13～15岁44.27％,16～18岁45.43％;其定基比分别为100.00,185.52,454.52,466.43。由此可见,高年龄段检出率远比低年龄段高,每增加一年龄段,视力不良检出率平均递增11.90％。经统计学处理,中小学生视力不良检出率差别有高度显著性(u=3.67,P<0.01)。年龄越大,不同
A survey of the health status of 1428 primary and secondary school students found that their eyesight was poor and the detection rate of trachoma was high. 1. Subjects and methods Changhang in Wuhan 1428 primary and secondary students, aged 7 to 18 years. According to the 1984 “Chinese Students Physique, Health Survey Research Manual” in the request. Detection of vision, trachoma, heart and ears, nose, throat disorders. Results The detection rate of vision impairment in different age groups was 9.74% compared with that of the fixed rate, 18.07% at the age of 10-12 years, 44.27% at the age of 13-15 years and 45.43% at the age of 16-18 years. Respectively 100.00,185.52,454.52,466.43. Thus, the detection rate of high age is far higher than that of low age. For each one-year-old age, the detection rate of poor vision increases 11.90% on average. After statistical analysis, the detection rate of poor eyesight in primary and middle school students is highly significant (u = 3.67, P <0.01). The older, different