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J Neurooncol. 2017 Dec;135(3):529-534. doi: 10.1007/s11060-017-2598-2. Epub 2017 Aug 23.

Association between hospital volume and receipt of treatment and survival in patients with glioblastoma.

Author information

1
Department of Radiation Oncology, University of Illinois at Chicago, Chicago, IL, USA. mkoshy@radonc.uchicago.edu.
2
Department of Radiation and Cellular Oncology, The University of Chicago, 5758 South Maryland Avenue, M/C 9006, Chicago, IL, 60637, USA. mkoshy@radonc.uchicago.edu.
3
Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, TX, USA.
4
Department of Radiation Oncology, University of Illinois at Chicago, Chicago, IL, USA.
5
Department of Radiation and Cellular Oncology, The University of Chicago, 5758 South Maryland Avenue, M/C 9006, Chicago, IL, 60637, USA.
6
Department of Radiation Oncology, Yale University, New Haven, CT, USA.
7
Department of Neurosurgery, University of Illinois at Chicago, Chicago, IL, USA.
8
Department of Neurology, University of Illinois at Chicago, Chicago, IL, USA.
9
Department of Radiation Oncology, University of Colorado, Aurora, CO, USA.

Abstract

The relation between hospital volume and outcomes for patients with glioblastoma is unknown. We undertook this study to determine the effect of hospital volume on treatment received and its effect on survival in patients with glioblastoma. We included patients from the National Cancer Database diagnosed with a glioblastoma from 2006 to 2013. Hospital volume was calculated by examining the treating facilities average number of cases per year and grouping them into tertiles: (low < 9.25, medium 9.26-23.88, and high ≥ 23.39). Treatment was defined as receiving any type of therapeutic surgery, radiation or chemotherapy. Using regression models we examined the relation between hospital volume to treatment received and survival with adjustment for clinical, socioeconomic and institutional factors. The study included 68,726 patients of which 91.8% received treatment. Among patients diagnosed at low volume facilities, 90.1% received treatment versus 94.2% in high volume facilities (p < 0.0001). Compared to low volume centers, the odds ratio of receiving any treatment was 1.01 (CI 95% CI: 0.95-1.09) and 1.43 (95% CI: 1.31-1.55) for medium volume and high volume facilities, respectively. On multivariate analysis for survival among those who received treatment, the hazard of mortality was decreased at high volume (HR 0.92, 95% CI 0.89-0.94) facilities compared to low volume facilities. Patients diagnosed with glioblastoma at a high volume facility (≥23.39 cases per year) have an increased likelihood of receiving treatment. Furthermore, glioblastoma patients may significantly improve their survival by choosing to receive care at a high-volume hospital.

KEYWORDS:

Brain tumors; Glioblastoma; Hospital volume

PMID:
28836140
DOI:
10.1007/s11060-017-2598-2
[Indexed for MEDLINE]

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