What are the suggested classification criteria for UCTD?
• Signs and symptoms of a connective tissue disease for ≥3 years but not fulfilling the criteria for any of the defined CTDs.
• Presence of ANAs on two different occasions.
• Signs and symptoms of a connective tissue disease for ≥3 years but not fulfilling the criteria for any of the defined CTDs.
• Presence of ANAs on two different occasions.