Table 3

Macroscopic morphology of the synovial blood vessels in rheumatoid arthritis (RA) and spondyloarthropathy (SpA): straight vessels, tortuous vessels, or mixed pattern. Results are shown as number (%)

RA (n=18)SpA (n=13)
Straight5 (28)0 (0)
Tortuous5 (28)8 (62)
Mixed8 (44)5 (38)