@article{article, title = {{Sample size estimation for randomised controlled trials with repeated assessment of patient-reported outcomes : what correlation between baseline and follow-up outcomes should we assume?}}, publisher = {{Springer Science and Business Media LLC}}, url = {{https://eprints.whiterose.ac.uk/151503/ }}, year = {{2019}}, month = {{9}}, author = {{Walters SJ and Jacques RM and dos Anjos Henriques-Cadby IB and Candlish J and Totton N and Xian MTS}}, doi = {{10.1186/s13063-019-3671-2}}, volume = {{20}}, journal = {{Trials}}, issue = {{1}}, note = {{Accessed on 2025/05/26}}}