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| Analysis of Disease and Related Factors of Retinal Vein Occlusion among ResidentsAged 50 or Older in RuralAreas of Xingtai, Hebei |
| Kepeng Zhao1, Haizhong Liu2, Wenqiang Shao1, Zhimin Chen1, Wenwen Xu1, Ruqing Han1, Songmei Guo1, Kunlun Jiang1, Hao Wang1, Minglian Zhang1 |
| 1Hebei Eye Hospital, Hebei Provincial Key Laboratory of Ophthalmology, Hebei Provincial Clinical
Research Center for Eye Diseases, Xingtai 054001, China
2Xihuangcun Hospital of Xindu District of Xingtai City, Xingtai 054000, China |
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Abstract Objective: Analyse the prevalence and related factors of retinal vein occlusion (RVO) in residents aged 50 and above in rural areas of Xingtai City, Hebei Province. Methods: This was a cross-sectional survey study. Residents of 50 years and older living in 11 natural villages of 3 townships in rural areas of Xindu District, Xingtai City, Hebei Province in all 5 046 cases were recruited. Data such as visual acuity, optometry, intraocular pressure, slit lamp microscopy examination, fundus photography were collected.RVO was diagnosed by reviewing fundus photographs. The prevalence of RVO was calculated and logistic regression analysis was used to explore the risk factors for RVO. Results: Atotal of 4 047 subjects participated in this survey with a response rate of 80.2%. Among them, 3 609 subjects (71.5%) had fundus photographs of good quality taken from both eyes. Through reviewing the photos, a total of 62 cases (62 eyes) were diagnosed with RVO, and the prevalence of RVO was 1.7%, 95% confdene inderval (CI): 1.3%-2.1%. Among them, there were 4 cases (4 eyes) of central retinal vein occlusion (CRVO), with a prevalence of 0.1%, 95% CI: 0-0.2%; 2 cases (2 eyes) of hemiretinal vein occlusion (HRVO), with a prevalence of 0.1%, 95% CI: 0-0.1%; and 56 cases (56 eyes) of branch retinal vein occlusion (BRVO), with a prevalence of 1.5%, 95% CI: 1.1%-1.9%. Logistic regression analysis showed that age (OR=1.05, 95% CI: 1.01-1.07, P=0.005), female (OR=1.84, 95% CI: 1.06-3.20, P=0.031), and hypertension (OR=2.84, 95% CI: 1.66-4.85, P<0.001) were risk factors for RVO. Conclusions: The prevalence of RVO in residents aged 50 and above in rural areas of Xindu District, Xingtai City, Hebei Province is 1.7%, among which BRVO accounts for the majority of patients with RVO. Older age, female and hypertension are risk factors for RVO.
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Received: 06 May 2023
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| Fund:Science & Technology Program of Hebei (20577706D) |
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Corresponding Authors:
Minglian Zhang, Email: zhmlyk@sohu.com
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