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目的研究白内障术前结膜囊带菌情况的主要相关因素。方法对2004年10月至2005年2月间,在第三军医大学大坪医院眼科门诊行白内障手术治疗的患者,在结膜囊无菌化准备前,结膜囊取材做细菌培养,并选取年龄、性别、眼别、外眼病、地区、职业、文化程度等因素,进行单因素及多因素非条件Logistic回归分析。结果单因素分析结果显示,年龄、性别、外眼病、地区、职业、文化程度与结膜囊细菌培养结果相关。多因素非条件Logistic回归分析表明,只有年龄、性别、外眼病及文化程度与结膜囊细菌培养结果有稳定的关系。60岁以上结膜囊带菌高于60岁以下的患者;男性带菌率高于女性;有外眼病者结膜囊带菌高于无外眼病者。随着文化程度的提高,结膜囊带菌率降低。结论在估计结膜囊带菌可能性大小时,除了解与其相关的因素外,对与结膜囊细菌培养结果有稳定关系的因素应予以重视。
Objective To study the main related factors of conjunctival zonal infection in cataract patients. Methods From October 2004 to February 2005, patients undergoing cataract surgery in Ophthalmology Clinic of Daping Hospital of the Third Military Medical University were enrolled in this study. Bacterial culture was performed on the conjunctival sac prior to aseptic preparation of conjunctival sac. The age and sex , Eyes do not, outside the eye disease, regional, occupation, education level and other factors, univariate and multivariate non-conditional Logistic regression analysis. Results The results of univariate analysis showed that age, gender, external eye disease, area, occupation and education were related to the results of conjunctival sac culture. Multivariate non-conditional logistic regression analysis showed that only age, gender, external eye disease and education level had a stable relationship with the bacterial culture results of conjunctival sac. The incidence of conjunctival sac in patients over 60 years old was higher than that of patients under 60 years old. The male carrier rate was higher than that of females; With the improvement of educational level, conjunctival sac carrier rate decreased. Conclusion In estimating the probability of conjunctival bacterial contamination, besides the factors related to the conjunctival bacterial culture, the factors that have a stable relationship with the culture results of conjunctival sac should be taken seriously.