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Background: Both textbook outcome (TO) and hospital volume have been identified as quality metrics following cancer surgery. We sought to examine whether TO or hospital volume is more important relative to long-term survival following surgical resection of hepatocellular carcinoma (HCC).
Methods: Patients who underwent surgery for HCC between 2004 and 2018 were identified using the National Cancer Database. TO was defined as R0 margin resection, no extended length of stay, no 30-day readmissions, and no 90-day mortality. The impact of TO and hospital case volume on long-term survival was determined using multivariable Cox regression.
Results: Among 24,895 patients who underwent HCC resection, 9.0% (n = 2,252), 79.5% (n = 19,787), and 11.5% (n = 2,856) of patients were operated on at low-, medium-, and high-volume hospitals, respectively. Treatment at high-volume hospitals and achievement of a post-operative TO were independently associated with improved 5-year overall survival (OS). Pairwise comparison demonstrated that patients treated at high-volume hospitals who did not achieve a TO still had a better 5-year OS versus individuals treated at low-volume hospitals who did achieve a TO (5-year OS, no TO vs. TO: low-volume hospitals, 26.5% vs. 48.6%; high volume hospitals: 62.6% vs. 74.9%, respectively; p < 0.001). Overall, resection of HCC at a high-volume hospital was independently associated with a 54% reduction in mortality.
Conclusion: Long-term survival following HCC resection was largely associated with hospital case volume rather than TO. The effect of TO on long-term outcomes was largely mediated by hospital case volume highlighting the importance of centralization of care for patients with HCC.
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| http://dx.doi.org/10.1007/s11605-023-05880-w | DOI Listing |
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