目的了解天津市参保白内障患者住院费用构成及其影响因素,为控制医疗费用的不合理增长提供参考依据。方法从天津市2003-2007年参保住院患者资料库中抽取白内障患者5 030例,对其住院费用情况进行回顾性分析。结果天津市2003-2007年参保白内障患者人均住院费用中位数为6 166.29元;其中一级医院为4 966.46元;二级医院为6 038.54元;三级医院为6 362.79元;参保白内障患者的住院费用中,材料费、手术费、检查费、药品费、治疗费、床位费和其他费用依次占44.03%,37.58%,7.89%,4.82%,2.67%,2.20%和0.81%;多元线性回归分析结果表明,材料费、手术费和药品费比重越大、住院天数越多、医院级别越高,白内障患者住院费用越高。结论材料费比重、住院天数、手术费比重、药品费比重和医院级别是天津市参保白内障患者住院费用的主要影响因素。 Objective To understand the composition and influencing factors of inpatient cataract insurance in Tianjin and to provide reference for controlling the unreasonable increase of medical expenses. Methods A total of 5 030 cataract patients were selected from the database of insured inpatients from 2003 to 2007 in Tianjin City. The hospitalization expenses were retrospectively analyzed. Results The median per capita hospitalization cost of cataract patients insured in Tianjin in 2003-2007 was 6 166.29 yuan, of which 4 966.46 yuan in the first grade hospitals, 6 038.54 yuan in the second grade hospitals and 6 362.79 yuan in the third grade hospitals, Hospitalization expenses accounted for 44.03%, 37.58%, 7.89%, 4.82%, 2.67%, 2.20% and 0.81% respectively for material fees, operation fees, examination fees, drug charges, treatment fees, bed charges and other expenses. The results of linear regression analysis showed that the greater the proportion of material fee, operation fee and drug fee, the longer the number of hospital stays and the higher the hospital level, the higher the cost of hospitalization for cataract patients. Conclusion The proportion of material costs, days of hospitalization, the proportion of operating costs, the proportion of drug costs and hospital-level cataract insurance in Tianjin City, the main factors affecting hospitalization costs.