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In medicine, retrospective cohort studies are used to compare treatments to one another. We hypothesize that the outcomes of retrospective comparative effectiveness research studies can be heavily influenced by biostatistical analytic choices, thereby leading to inconsistent conclusions. We selected a clinical scenario currently under investigation: survival in metastatic prostate, breast or lung...
Background
This study examined whether radiation therapy facility volumes correlate with survival after curative intent treatment of solid tumors.
Methods
The National Cancer Database was queried for patients with solid tumors treated with curative‐intent radiation therapy from 2004‐2013. Facilities were stratified into 4 volume categories: low, intermediate, high, and very high. Primary cancer...
Background
The goal of this study was to characterize the efficacy and safety of stereotactic body radiation therapy (SBRT) versus conventionally fractionated radiation therapy with concurrent chemotherapy (CFRT) for the definitive treatment of locally advanced pancreatic cancer. The primary outcome measure was efficacy, defined by 2‐year overall survival (OS). Secondary outcomes were incidence of...
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