HRQOL assessments included Health Assessment Questionnaire-Disability Index ( HAQ-DI ; physical function ) , Medical Outcomes Study Short Form-@ questionnaire physical/mental component summary ( SF-@ PCS/MCS ) scores , EQ-@D assessment of current health state , Functional Assessment of Chronic Illness Therapy-Fatigue ( FACIT-Fatigue ) questionnaire , and disease effect on productivity -LSB- @-cm visual analog scale ( VAS ) -RSB- .