Mortality after admission to hospital with fractured neck of femur: database study
Mortality after admission to hospital with fractured neck of femur: database study
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DOI：
10.1136/bmj.325.7369.868
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发表时间：
2002-10-19
影响因子：
--
通讯作者：
Yeates, D
中科院分区：
文献类型：
--
作者：
Goldacre, MJ;Roberts, SE;Yeates, D
方法和结果：我们选择了65岁及以上的急诊入院患者，这些患者曾在8个主要的急性信托机构住院，股骨颈骨折是主要诊断（国际疾病分类，第九次修订版（ICD-9），代码820，821.0和821.1）。我们通过将该地区全部人口（“标准”人口）中5岁年龄组的年龄和性别特异性死亡率应用于骨折后连续数月至1年内相同年龄和性别分层的股骨颈骨折人数，计算骨折后的标准化死亡率。对于每家医院，我们计算了30天内住院死亡的病死率以及入院后30天、90天和180天内所有死亡的病死率。我们通过将每家医院的年龄和性别特异性比率应用于总住院人口中每个年龄性别分层的人数，计算每家医院的年龄和性别标准化病死率。我们分别计算了证实为股骨骨折的死亡和所有死亡的病死率。
Methods and resultsWe selected emergency admissions in people aged 65 years and over who had been admitted to eight main acute trusts and for whom fractured neck of femur was the principal diagnosis (international classification of diseases, ninth revision (ICD-9), codes 820, 821.0, and 821.1). We calculated standardised mortality ratios after fracture by applying the age and sex specific mortality in five-year age groups in the whole population of the region (“standard” population) to the number of people with fractured neck of femur in the equivalent age and sex strata, in successive months up to one year after fracture. For each hospital, we calculated case fatality rates for in-hospital deaths within 30 days and for all deaths within 30, 90, and 180 days of admission. We calculated age and sex standardised case fatality rates for each hospital by applying the age and sex specific rates in each hospital to the number of people in each age-sex stratum in the total inpatient population. We calculated case fatality rates separately for deaths certified as fractured femur and for all deaths.