To validate and establish the joint ACR/EULAR classification criteria for systemic sclerosis compared to the historical 1980 criteria.
Evaluated the diagnostic performance of the updated ACR/EULAR classification criteria for systemic sclerosis.
Compared classification accuracy and sensitivity directly against the 1980 ACR criteria framework.
The 2013 ACR/EULAR classification criteria outperformed the 1980 ACR criteria in identifying systemic sclerosis.
The updated criteria enable a higher proportion of affected individuals to be correctly classified with the disease.
Abstract
The ACR/EULAR classification criteria for SSc performed better than the 1980 ACR criteria for SSc and should allow for more patients to be classified correctly as having the disease.