Table 1

Proposed EScSG disease activity indices for SSc

CriteriaWhole seriesdcSSclcSSc
*To be changed to mRTSS >14.
TTS, total skin score; Tlco, carbon monoxide transfer factor; ESR, erythrocyte sedimentation rate.
TTS >20 (Kahaleh’s method)*1.0
Δ Skin2.03.02.5
Digital necrosis0.5
Δ Vascular0.52.01.0
Δ Articular/muscular1.0
↓ Tlco0.5
Δ Cardiopulmonary2.04.01.5
ESR >30 mm/1st h1.52.5
Hypocomplementaemia (C3 and/or C4)1.01.0
Total maximum disease activity index10.010.010.0