Dataset Information

Incidence of Hip Fracture in U.S. Nursing Homes.

ABSTRACT:

Background

Hip fractures are associated with significant morbidity and mortality in the nursing home. Our objective was to describe the incidence rate (IR) of hip fracture according to age, sex, and race in a nationwide sample of long-stay nursing home residents.

Methods

Using 2007-2010 Medicare claims data linked with the Minimum Data Set, we identified 892,837 long-stay residents (?100 days in the same nursing facility) between May 1, 2007 and April 30, 2008. Hip fractures were defined using Part A diagnostic codes (ICD-9). Residents were followed from the date they became a long-stay resident until the first event of death, discharge, hip fracture, or 2 years of follow-up.

Results

Mean age was 84 years (range 65-113 years), and 74.5% were women. 83.9% were white and 12.0% were black. The overall IR of hip fracture was 2.3/100 person years. The IR was similar in men and women across age groups. The IR of hip fracture was highest in Native Americans aged 85 years or older (3.7/100 person years), in whites (2.6/100 person years), and during the first 100 days of institutionalization (2.7/100 person years). IRs of hip fracture were lowest in blacks (1.3/100 person years).

Conclusions

In nursing home residents surviving 100 days or more in a facility, the incidence of hip fracture is high, particularly among older white, Native American, and newly admitted residents. This is the first nationwide study to provide sex- and age-specific estimates among U.S. nursing home residents, and it underscores the magnitude of the problem.

SUBMITTER: Berry SD

PROVIDER: S-EPMC4978364 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Incidence of Hip Fracture in U.S. Nursing Homes.

Berry Sarah D SD Lee Yoojin Y Zullo Andrew R AR Kiel Doug P DP Dosa David D Mor Vincent V

The journals of gerontology. Series A, Biological sciences and medical sciences 20160314 9

<h4>Background</h4>Hip fractures are associated with significant morbidity and mortality in the nursing home. Our objective was to describe the incidence rate (IR) of hip fracture according to age, sex, and race in a nationwide sample of long-stay nursing home residents.<h4>Methods</h4>Using 2007-2010 Medicare claims data linked with the Minimum Data Set, we identified 892,837 long-stay residents (≥100 days in the same nursing facility) between May 1, 2007 and April 30, 2008. Hip fractures were ...[more]

PMID: 26980299

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Project description:BACKGROUND/OBJECTIVES:Limited studies suggest lower-extremity (LE) fractures are morbid events for nursing home (NH) residents. Our objective was to conduct a nationwide study comparing the incidence and resident characteristics associated with hip (proximal femur) vs nonhip LE (femoral shaft and tibia-fibula) fractures in the NH. DESIGN:Retrospective cohort study. SETTING:US NHs. PARTICIPANTS:We included all long-stay residents, aged 65 years or older, enrolled in Medicare from January 1, 2008, to December 31, 2009 (N = 1 257 279). Residents were followed from long-stay qualification until the first event of LE fracture, death, or end of follow-up (2 years). MEASUREMENTS:Fractures were classified using Medicare diagnostic and procedural codes. Function, cognition, and medical status were obtained from the Minimum Data Set prior to long-stay qualification. Incidence rates (IRs) were calculated as the total number of fractures divided by person-years. RESULTS:During 42 800 person-years of follow-up, 52 177 residents had an LE fracture (43 695 hip, 6001 femoral shaft, 2481 tibia-fibula). The unadjusted IRs of LE fractures were 1.32/1000 person-years (95% confidence interval [CI] = 1.27-1.38) for tibia-fibula, 3.20/1000 person-years (95% CI = 3.12-3.29) for femoral shaft, and 23.32/1000 person-years (95% CI = 23.11-23.54) for hip. As compared with hip fracture residents, non-hip LE fracture residents were more likely to be immobile (58.1% vs 18.4%), to be dependent in all activities of daily living (31.6% vs 10.8%), to be transferred mechanically (20.5% vs 4.4%), to be overweight (mean body mass index = 26.6 vs 24.0 kg/m2 ), and to have diabetes (34.8% vs 25.7%). CONCLUSIONS:Our findings that non-hip LE fractures often occur in severely functionally impaired residents suggest these fractures may have a different mechanism of injury than hip fractures. The resident differences in our study highlight the need for distinct prevention strategies for hip and non-hip LE fractures.

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Dataset Information

Incidence of Hip Fracture in U.S. Nursing Homes.

Background

Methods

Results

Conclusions

Publications

Incidence of Hip Fracture in U.S. Nursing Homes.

Similar Datasets

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