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Hospital use among patients with lung cancer complicated by bone metastases and skeletal- related events: a population-based cohort study in Denmark

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OBJECTIVE: Skeletal-related events (SREs) among patients with bone metastases from lung cancer may be associated with considerable use of health care resources. We analyzed in- and outpatient hospital contacts in relation to SREs among all Danish lung cancer patients with bone metastases.

METHODS: For this cohort study, we used the Danish Cancer Registry and the Danish National Registry of Patients to identify all persons diagnosed with first-time lung cancer and bone metastases from 2003 through 2009 in Denmark. We followed these patients until December 31, 2010, for the development of SREs (spinal cord compression; pathological or osteoporotic fracture, surgery to bone; or conventional external radiation therapy). We examined the number of inpatient hospitalizations, inpatient bed-days, hospital outpatient clinic visits, and emergency room visits within three time periods: a pre-SRE period (90-day period prior to the diagnostic period), a SRE diagnostic period (14-day period prior to the SRE), and a post-SRE period (90-day period after the SRE).

RESULTS: We identified 1,146 patients with lung cancer, bone metastases, and ≥1 subsequent SRE among 28,443 patients with incident lung cancer. Over 75% of patients with SREs (n=852) had more than one SRE. The number of hospital bed-days was high in the post-SRE period compared to the pre-SRE period, as illustrated by patients with multiple SREs who had 10.7 (95% confidence interval, 10.4-10.9) hospital bed-days per 100 person-days in the pre-SRE period and 28.2 (95% confidence interval, 27.8-28.6) bed-days per 100 person-days in the post-SRE period.

CONCLUSION: SREs secondary to bone metastases in lung cancer patients are associated with a substantial number of hospital contacts and hospital bed-days.

TidsskriftClinical epidemiology
Sider (fra-til)363-8
Antal sider6
StatusUdgivet - 2015

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