Fig 2. Differences in the levels of circulating miRNAs between healthy controls, patients with non-radiographic AxSpA (nr-AxSpA) and patients with ankylosing spondylitis (AS) with isolated sacroiliitis and spinal involvement (AS II-V).

Black symbols indicate patients with bamboo spine. *p<0.05, **p<0.01, ***p<0.001.