Fig. 4: Patient fitness at diagnosis of MM, as defined by WHO performance score, mIMWG FS and UKMRA MRP, in those diagnosed from 1st January 2019–31st January 2020 (Pre-COVID, n = 110) and from 1st February 2020–31st July 2021 (Post-COVID, n = 213).

HR high risk, IR intermediate risk, LR low risk *p < 0.05, **p < 0.005, ND no data.