While other clinical parameters—BMI, SSc subset, mRSS of the right forearm where TST was performed, serum albumin level, steroid, or immunosuppressant use—were not correlated with the TST result (p = 0.06, 0.14, 0.19, 0.09, 0.23 and 0.89, respectively). Here, ALB is linked to systemic sclerosis.