AMP: amputation; BT: bone tumour; GCT: giant cell tumour; GH: global health; LSS: limb-sparing surgery; MH: mental health; ns: significance not specified; OS: osteosarcoma; PCS: physical component score; PF: physical function; RP: role-physical; RS: role-social; SF: social function. 1Minus (−): poorer in comparison; plus (+): better; equals (=): no difference. 2Direction of significance, i.e., better or worse, based on the first comparator, or the last time point if a longitudinal comparison. 3Result based on overall or summary scores; if these were not provided, result at domain score level was provided (QLQ-C30 functional scale only). 4Reference values either supplied with the measure or collected from noncancer controls as part of the study. 5Total and/or summary scores can be calculated with the measure used, but this was not reported. 6Three quality of life measures used, all giving different results. 7Based on SF-36 and bone tumour-specific measure results reflecting the comparison across the whole sample.