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Therefore, correlation of volume and outcome, developing subspecialization, and identification of reliable parameters to identify and measure quality in surgery gain increasing attention in the surgical community as well as\u00a0in public health care systems, and by health care providers. The need to investigate these correlations in the area of endocrine surgery was identified by ESES, and thyroid surgery was chosen for this analysis of the prevalent literature with regard to outcome and volume.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Materials and methods<\/jats:title>\n                <jats:p>A literature search that is detailed below about correlation between volume and outcome in thyroid surgery was performed and assessed from an evidence-based perspective. Following presentation and live data discussion, a revised final positional statement was presented and consented by the ESES assembly.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>There is a lack of prospective randomized controlled studies for all items representing quality parameters of thyroid surgery using uniform definitions. Therefore, evidence levels are low and recommendation grades are based mainly on expert and peer evaluation of the prevalent data.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>In thyroid surgery\u00a0a volume and outcome relationship exists with respect to\u00a0the prevalence of complications. Besides volume, cumulative experience is expected to improve outcomes. In accordance with global data, a case load of &lt; 25 thyroidectomies per surgeon per year appears to identify a low-volume surgeon, while &gt; 50 thyroidectomies per surgeon per year identify a high-volume surgeon. A center with a case load of &gt; 100 thyroidectomies per year is considered high-volume. Thyroid cancer and autoimmune thyroid disease predict an increased risk of surgical morbidity and should be operated by high-volume surgeons. Oncological results of thyroid cancer surgery are significantly better when performed by high-volume surgeons.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00423-020-01907-x","type":"journal-article","created":{"date-parts":[[2020,6,10]],"date-time":"2020-06-10T16:38:30Z","timestamp":1591807110000},"page":"401-425","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":109,"title":["Volume, outcomes, and quality standards in thyroid surgery: an evidence-based analysis\u2014European Society of Endocrine Surgeons (ESES) positional statement"],"prefix":"10.1007","volume":"405","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0281-1950","authenticated-orcid":false,"given":"Kerstin","family":"Lorenz","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1259-2491","authenticated-orcid":false,"given":"Marco","family":"Raffaeli","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6062-1851","authenticated-orcid":false,"given":"Marcin","family":"Barczy\u0144ski","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leyre","family":"Lorente-Poch","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joan","family":"Sancho","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2020,6,10]]},"reference":[{"key":"1907_CR1","unstructured":"Mansky R (2018) Structural change and minimum numbers. 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