Differences in baseline characteristics and 1-year psychological factors between participants and non-participants in the randomized, controlled trial regarding patient-led follow-up after rectal cancer (FURCA)

Background: The ongoing multi-center randomized FURCA-trial investigates the effect of patient-led follow-up after rectal cancer, aiming at improving management of late effects and survivorship care. The purpose of this present sub-study was to identify potential systematic differences between participants and non-participants in the FURCA-trial, in regard to demographic and clinical factors at baseline, and in quality of life (QoL) and fear of cancer recurrence (FCR) after one year. Material and methods: The population comprised patients invited to the FURCA-trial during the first 13 months' recruitment. Clinical and demographic data was obtained at baseline and differences were significance tested. Non-participants were requested to fill in a short survey one year after primary surgery, while participants received the questionnaires as part of more comprehensive one-year follow-up. Results: In the first 13 months of the trial, 113 out of the 262 patients invited, declined to participate. The main reason reported for this was lack of energy surplus. Participants were younger than non-participants (p