TABLE 1

Overview of outcomes and selected questionnaires as reported in the included studies

OutcomeQuestionnaireDomainsScore rangeScore interpretationMinimal important difference
HRQoLSF-368 domains: bodily pain, general health, mental health, physical functioning, role emotional, role physical, social functioning, vitality0–100Higher scores indicate better HRQoL
2 composite scores: MCS, PCSCorrected to a standardised score of 50Higher scores indicate better HRQoL
HRQoLSGRQ3 domains: symptoms, activity, impact0–100Higher scores indicate worse HRQoL4
Total score
HRQoLSHQ3 domains: daily functioning, physical functioning, emotional functioning1–7Higher scores indicate better HRQoL0.5
Total score
HRQoLKSQ5 domains: general health status, lung, medication, skin, eyes0–100Higher scores indicate better HRQoL4
HRQoLPGAVisual analogue scale0–100Higher scores indicate worse HRQoL
FatigueFASTotal score10–50Scores ≥22 indicate fatigue4
FACIT-FTotal score0–52Higher scores indicate less fatigue3–6

HRQoL: health-related quality of life; SF-36: Short Form-36 Health Survey Questionnaire; MCS: Mental Component score; PCS: Physical Component score; SGRQ: St George's Respiratory Questionnaire; SHQ: Sarcoidosis Health Questionnaire; KSQ: Kings Sarcoidosis Questionnaire; PGA: Patient Global Assessment; FAS: Fatigue Assessment Scale; FACIT-F: Functional Assessment of Chronic Illness Therapy Fatigue.