We used Cronbach’s α to evaluate consensus quantitatively among the international expert panel; a Cronbach’s α value of at least 0.80 was representative of an acceptable measure of internal reliability.20 (link)–23 (link) Categorical variables were compared using the χ2 test. Non-normally distributed data were analyzed using the Mann-Whitney U test for comparisons across 2 groups, and the Kruskal-Wallis test for comparisons of more than 2 groups. Stratified analyses were performed for responses from the second voting round by: annual department volume (≤50, 51–100, ≥101 procedures) and annual surgeon volume (≤20, 21–50, ≥51 procedures). A P value of <0.05 was considered statistically significant and no adjustments were made for multiple comparisons. Heat maps were developed to display the level of consensus (ie, green: ≥80% agreement, yellow: 70%–80%, and red: <70% agreement) across the different research questions.24 (link) Data analysis was performed using R version 3.2.2, with TableOne, ggplot2, Hmisc, Matchit, and survival packages (R Foundation for Statistical Computing, Vienna, Austria).
Kamarajah S.K., Siddaiah-Subramanya M., Parente A., Evans R.P., Adeyeye A., Ainsworth A., Takahashi A.M., Charalabopoulos A., Chang A., Eroglue A., Wijnhoven B., Donohoe C., Molena D., Talavera-Urquijo E., Takeda F.R., Darling G., Rosero G., Piessen G., Mahendran H., Kuei H.P., Gockel I., Negoi I., Weindelmayer J., Rasanen J., Bekele K., Kim G., Depypere L., Ferri L., Nilsson M., Klevebro F., Smithers B.M., van Berge Henegouwen M.I., Grimminger P., Schneider P.M., Pramesh C.S., Sayyed R., Babor R., Mine S., Law S., Gisbertz S., Bright T., Benoit D’Journo X., Low D., Singh P, & Griffiths E.A. (2022). Risk Factors, Diagnosis and Management of Chyle Leak Following Esophagectomy for Cancers: An International Consensus Statement. Annals of Surgery Open, 3(3), e192.
Corresponding Organization : University of Melbourne
Other organizations :
Afe Babalola University, Odense University Hospital, Instituto Nacional de Cancerología, Memorial Sloan Kettering Cancer Center, Vita-Salute San Raffaele University, Toronto General Hospital, Sultanah Aminah Hospital, Taipei Veterans General Hospital, Leipzig University, Helsinki University Hospital, University of Helsinki, KU Leuven, McGill University, University of Amsterdam, Amsterdam University Medical Centers, Tata Memorial Hospital, Homi Bhabha National Institute, Queen Mary Hospital, University of Hong Kong, Virginia Mason Medical Center, Royal Surrey County Hospital
Level of consensus (≥80% agreement, 70%–80%, <70% agreement) across the different research questions
control variables
Cronbach's α value of at least 0.80 as a representative measure of internal reliability
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