1911014 EQ-VAS EuroQol visual analogue scale 561 1911037 EQVAS EuroQol Visual Analog Scale 7 1911040 EQVAS EQ-5D index and visual analogue scores 1 1911041 EQVAS Euro-QoL visual analog score 1 1911038 EQVAS European Quality of Life Questionnaire Visual Analogue Scale 1 1911039 EQVAS European Quality of life Visual Analogue Scale 1