Table 2.

	uSpA Study Subjects (n=26)
Axial Arthritis*	19 (73%)
Peripheral Arthritis	26 (100%)
Mean Swollen Joint Count (range)	3.3 (1-8)
Mean Tender Joint Count (range)	7.2 (1-26)
Active Enthesitis**	15 (58%)
Active Dactylitis	7 (27%)
History of Uveitis	2 (8%)
Active Uveitis	1 (4%)
History of Keratoderma Blenorrhagicum	6 (23%)
Active Keratoderma Blenorrhagicum	4 (15%)
History of Circinate Balanitis [16 males]	2 (13%)
Active Circinate Balanitis [16 males]	1 (6%)
Active Urethritis	1 (4%)
Mean Health Assessment Questionnaire (range)	0.89 (0-1.63)
Low Back Morning Stiffness	1.1 hours (0-2.5)
History of Ct at any time	11 (42%)
History of Ct within 6 weeks of uSpA onset	2 (8%)
Known history of Cpn	0 (0%)

^*Axial Arthritis defined as per criterion “A” in the ESSG Criteria.

^**Enthesitis = Achilles tendonitis and/or plantar fasciitis.