Low-field magnetic resonance imaging study on carpal arthritis in systemic sclerosis - low-grade erosive arthritis of carpal bones is an unexpected and frequent disease manifestation

Table 2 Proportion of hands showing different features of arthritis on magnetic resonance imaging

	Erosion	Bone marrow edema	Synovitis	Joint effusion	Tenovaginitis
Signs of arthritis
Not present/indeterminate	13	63	32	42	76
Present	87	37	68	58	24
Severe	3	16	13	0	0
Affected joints in affected hands	2.2 ± 1.6 (1 to 6)	1.6 ± 1 (1 to 4)	4.1 ± 2.6 (1 to 9)	4.2 ± 2.6 (1 to 10)	N/A

Data presented as percentage or mean number ± standard deviation (range). For definition of definite or severe please refer to Materials and methods. N/A, not applicable.

ISSN: 1478-6362