@article{article, title = {{Multiple imputation for patient reported outcome measures in randomised controlled trials : advantages and disadvantages of imputing at the item, subscale or composite score level}}, publisher = {{BioMed Central}}, url = {{}}, year = {{2018}}, month = {{12}}, author = {{Rombach I and Gray AM and Jenkinson C and Murray DW and Rivero-Arias O}}, doi = {{10.1186/s12874-018-0542-6}}, volume = {{18}}, journal = {{BMC Medical Research Methodology}}, issue = {{1}}, note = {{Accessed on 2024/12/22}}}