Table 1 ACR–EULAR classification criteria for systemic sclerosis

Cutaneous thickening (only consider the highest score)

Cutaneous thickening of the fingers extending beyond the MCP joints

9

Swollen fingers

2

Symptoms of the fingers not extending beyond the MCP joints

4

Pulp lesions (only consider the highest score)

Digital pulp ulcers

2

Depressed scars

3

Telangiectasias

2

Capillaroscopic anomalies

2

Pulmonary damage

PAH and/or pulmonary fibrosis

2

Raynaud’s phenomenon

3

SSc-specific antibodies

Anti-topoisomerase I

3

Anticentromere antibodies

Anti-RNA polymerase III