Table 2.

Distribution of different AITD cases per ILAR category

ILAR category	Total AITD (n = 96)	Hashimoto’s disease (n = 58)	Graves’ disease (= 4)	Unspecified AITD (n = 34)
Enthesitis-related arthritis	8 (8.3%)	6 (10.3%)	0 (0.0%)	2 (5.9%)
Oligoarthritis	32 (33.3%)	17 (29.3%)	3 (75.0%)	12 (35.3%)
Polyarthritis (RF-)	30 (31.3%)	21 (36.2%)	0 (0.0%)	9 (26.5%)
Polyarthritis (RF+)	9 (9.4%)	4 (6.9%)	0 (0.0%)	5 (14.7%)
Psoriatic arthritis	6 (6.2%)	3 (5.2%)	1 (25.0%)	2 (5.9%)
Systemic arthritis	2 (2.1%)	1 (1.7%)	0 (0.0%)	1 (2.9%)
Undifferentiated arthritis	9 (9.4%)	6 (10.3%)	0 (0.0%)	3 (8.8%)

AITD autoimmune thyroid disease, ILAR International League of Associations for Rheumatology, RF rheumatoid factor