Brittenden, JulieCotton, Seonaidh CElders, AndrewTassie, EmmaScotland, GrahamRamsay, Craig RNorrie, JohnBurr, JenniferFrancis, JillWileman, SamanthaCampbell, BruceBachoo, PaulChetter, IanGough, MichaelEarnshaw, JonothanLees, TimScott, JulianBaker, Sara AMacLennan, GraemePrior, MariaBolsover, DeniseCampbell, Marion K2015-04-212015-04-212015-04Brittenden, J, Cotton, S C, Elders, A, Tassie, E, Scotland, G, Ramsay, C R, Norrie, J, Burr, J, Francis, J, Wileman, S, Campbell, B, Bachoo, P, Chetter, I, Gough, M, Earnshaw, J, Lees, T, Scott, J, Baker, S A, MacLennan, G, Prior, M, Bolsover, D & Campbell, M K 2015, 'Clinical effectiveness and cost-effectiveness of foam sclerotherapy, endovenous laser ablation and surgery for varicose veins : results from the Comparison of LAser, Surgery and foam Sclerotherapy (CLASS) randomised controlled trial', Health Technology Assessment, vol. 19, no. 27, pp. 1-342. https://doi.org/10.3310/hta192701366-5278ORCID: /0000-0003-4043-7349/work/84131347ORCID: /0000-0002-1031-1449/work/84132040ORCID: /0000-0001-5386-4097/work/91892081ORCID: /0000-0002-1039-5646/work/98038536http://hdl.handle.net/2164/4430Acknowledgements & Disclaimers The authors wish to thank Janice Cruden for her secretarial support and data management; Gladys McPherson and the programming team at CHaRT; Tracey Davidson, Lynda Constable, Jackie Ellington, Laura Elliott and Yvonne Fernie for help with scoring the AVVQ; our original economists in the group, Luke Vale and Laura Ternent; members of the Project Management Group for their ongoing advice and support of the trial; the independent members of the TSC and DMC; and the staff at recruitment sites who facilitated recruitment, treatment and follow-up of trial participants. Funding This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 19, No. 27.3427994046engSDG 3 - Good Health and Well-beingR MedicineRClinical effectiveness and cost-effectiveness of foam sclerotherapy, endovenous laser ablation and surgery for varicose veins : results from the Comparison of LAser, Surgery and foam Sclerotherapy (CLASS) randomised controlled trialJournal article10.3310/hta192701927