Scoring Body Region Area Involvement
Placeholder sentence introducing regional area scoring.
- 4: Regions scored (head, arms, trunk, legs)
- 0–6: Area score range (per region scale)
- 6: BSA bands (0,<10,<30,<50,<70,<90,90-100)
- 1.0: Region weights sum (0.1+0.2+0.3+0.4)
Area score banding
Placeholder short paragraph about converting percent affected into a 0-6 band score.
Grading Erythema and Edema/Papulation
Placeholder sentence introducing inflammatory sign grading.
- 0–3: Sign scale (none to severe)
- 2: Signs this stage (erythema, edema/papulation)
- 4: Total signs (per EASI region)
- Visual: Assessment mode (clinician exam)
Inflammatory sign grading
Placeholder short paragraph on grading redness and swelling severity.
Grading Excoriation Severity
Placeholder sentence introducing excoriation grading.
- 0–3: Sign scale (none to severe)
- Scratch damage: Marker (visible skin breaks)
- Yes: Region-specific (scored independently)
- Itch proxy: Clinical relevance (pruritus severity)
Excoriation assessment
Placeholder short paragraph on scoring scratch-related skin damage.
Grading Lichenification Severity
Placeholder sentence introducing lichenification grading.
- 0–3: Sign scale (none to severe)
- Skin thickening: Marker (chronic rubbing sign)
- High: Chronicity (reflects long-standing disease)
- Yes: Region-specific (scored independently)
Lichenification assessment
Placeholder short paragraph on scoring skin thickening severity.
Calculating the Weighted EASI Total
Placeholder sentence introducing the final weighted score.
- 0–72: Score range (full EASI scale)
- 3: Formula parts (signs, area, region weight)
- 6: Severity bands (clear to very severe)
- 4: Regions combined (weighted sum)
Final weighted computation
Placeholder short paragraph on combining sign and area scores into EASI.
Placeholder: EASI = sum of (signs x area score x region weight) across four regions.