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目的 调查海南省翼状胬肉的患病率 ,探讨翼状胬肉与地域、气候等环境条件及性别、种族等人群因素间的关系。方法 采用随机、整群抽样方法 ,抽取海南省东方市和昌江县 14个村的7990例受检对象进行检查 ,并根据翼状胬肉的形态及其头部所在位置进行分级检查记录。结果 在7990例受检者中 ,翼状胬肉患者 6 2 8例 ,患病率为 7 86 %。汉族 5 30 3例中 ,翼状胬肉患者 439例(8 2 8% ) ;黎族 2 6 87例中 ,翼状胬肉患者 189例 (7 0 3% ) ,两者比较差异有显著性 (χ2 =3 897,P =0 0 48)。男性患者 2 6 6例 (6 43% ) ,女性患者 36 2例 (9 40 % ) ,男性患病率较女性低 (χ2 =19 85 2 ,P =0 0 0 1)。翼状胬肉在眼部多呈对称性分布。结论 海南省翼状胬肉患病率高与该地区的地理位置、气候条件有关。海南省汉族翼状胬肉的患病率高于黎族 ,女性高于男性。在各年龄组中 ,翼状胬肉患病率随年龄增长而增加。
Objective To investigate the prevalence of pterygium in Hainan Province and to explore the relationship between pterygium and environmental factors such as geographical and climatic conditions and gender, ethnicity and other population factors. Methods A total of 7990 subjects in 14 villages in Dongfang City and Changjiang County of Hainan Province were sampled by random sampling and cluster sampling method. According to the morphology of pterygium and the location of the head of the pterygium, the grading examination was recorded. Results Among the 7990 subjects, 628 cases of pterygium were found, with a prevalence of 786%. Of Han’s 5,303 cases, 439 (82.8%) were patients with pterygium; 189 (70.3%) were patients with pterygium on 2687 cases of Li ethnic group, the difference was significant (χ2 = 3 897, P = 0 0 48). There were 266 (6 43%) males and 362 females (9 40%) males, with a lower prevalence in males than females (χ2 = 19 852, P = 0 0 01). Pterygium in the eye mostly symmetrical distribution. Conclusions The high prevalence of pterygium in Hainan Province is related to the geographical location and climatic conditions in the area. The prevalence of pterygium in Han Han nationality in Hainan Province is higher than that in Li ethnic group, but higher in females than in males. In all age groups, the prevalence of pterygium increased with age.