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目的了解济南市某医院住院患者的医院感染发病密度特点以及医院感染发病密度与医院感染发病率之间的关系。方法对2012年1月至12月全部7 482例住院病例进行医院感染发生情况调查,计算医院感染发病例次率和医院感染发病密度。结果共调查住院患者7 482例,总住院日为107 655日,共发生181例次医院感染,医院感染发病例次率为2.42%,医院感染发病密度为1.68‰,各年龄组和各住院日组住院患者的医院感染发病例次率与发病密度的变化趋势存在差异。≤2岁年龄组的患者医院感染发病例次率与医院感染发病密度最高,分别为4.82%与7.72‰。住院日>17d的患者医院感染发病例次率与医院感染发病密度最高,分别为6.87%与2.13‰。结论医院感染发病密度能够比较真实的反映医院感染的发生强度。
Objective To understand the incidence of nosocomial infections in a hospital in Jinan and the relationship between nosocomial infection and the incidence of nosocomial infections. Methods A total of 7 482 hospitalized cases of nosocomial infections were investigated from January to December in 2012. The incidence of nosocomial infections and the prevalence of nosocomial infections were calculated. Results A total of 7 482 hospitalized patients were enrolled in this study. The total hospitalization day was 107 655 days. A total of 181 hospital infections occurred. The incidence of nosocomial infections was 2.42%, and the incidence of nosocomial infections was 1.68 ‰. All age groups and hospitalization days There was a difference in the trend of incidence of hospital infection and incidence of hospitalization among hospitalized patients. Patients with ≤2 years of age had the highest incidence of nosocomial infections and nosocomial infections, accounting for 4.82% and 7.72%, respectively. Inpatient day> 17d, the highest incidence of nosocomial infections and nosocomial infections was 6.87% and 2.13 ‰, respectively. Conclusion The incidence of nosocomial infection can reflect the intensity of nosocomial infection more truly.