Outcome | Questionnaire | Domains | Score range | Score interpretation | Minimal important difference |
HRQoL | SF-36 | 8 domains: bodily pain, general health, mental health, physical functioning, role emotional, role physical, social functioning, vitality | 0–100 | Higher scores indicate better HRQoL | – |
2 composite scores: MCS, PCS | Corrected to a standardised score of 50 | Higher scores indicate better HRQoL | – | ||
HRQoL | SGRQ | 3 domains: symptoms, activity, impact | 0–100 | Higher scores indicate worse HRQoL | 4 |
Total score | |||||
HRQoL | SHQ | 3 domains: daily functioning, physical functioning, emotional functioning | 1–7 | Higher scores indicate better HRQoL | 0.5 |
Total score | |||||
HRQoL | KSQ | 5 domains: general health status, lung, medication, skin, eyes | 0–100 | Higher scores indicate better HRQoL | 4 |
HRQoL | PGA | Visual analogue scale | 0–100 | Higher scores indicate worse HRQoL | – |
Fatigue | FAS | Total score | 10–50 | Scores ≥22 indicate fatigue | 4 |
FACIT-F | Total score | 0–52 | Higher scores indicate less fatigue | 3–6 |
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.