TY - JOUR T1 - A unified multi-level model approach to assessing patient responsiveness including; return to normal, minimally important differences and minimal clinically important improvement for patient reported outcome measures JO - BMJ Open UR - http://dx.doi.org/10.1136/bmjopen-2016-014041 PY - 2017/07/21 AU - Sayers A AU - Wylde V AU - Lenguerrand E AU - Gooberman-Hill R AU - Dawson J AU - Beard D AU - Price A AU - Blom AW ED - DO - DOI: 10.1136/bmjopen-2016-014041 PB - BMJ VL - 7 IS - 7 SP - e014041 EP - e014041 Y2 - 2024/12/22 ER -