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. 2015 Nov 10;13:46. doi: 10.1186/s12969-015-0045-5

Table 4.

Presence of pelvic enthesitis correlated to the presence of sacroiliitis on MRI

N Sacroiliitis + (%) Sacroiliitis - (%)
enthesitis + 23 17 (74 %) 6 (26 %+)
enthesitis - 120 28 (69 %) 92 (31 %)

(N = number of patients with enthesitis, MRI = Magnetic Resonance Imaging)