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Table 2 Final diagnosis after 12 months of follow up by clinicians

From: The impact of rheumatologist-performed ultrasound on diagnosis and management of inflammatory arthritis in routine clinical practice

Diagnosis US Non-US
Rheumatoid arthritis 56 58
Primary inflammatory arthritis (other than RA) 27 23
Mechanical or degenerative disorder 24 21
Connective tissue disease 4 3
Other systemic inflammatory disorder 2 4
Crystal arthritis 3 3
Metabolic disorder 2 3
Pain syndrome 4 2
Drug reaction 1 0
Not specified / unknown 11 7
Total 134 124