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. 2016 Jan 7;11(1):e0146149. doi: 10.1371/journal.pone.0146149

Fig 2. Opinion on necessity of examinations to be acquired by the GP before referral to a rheumatologist, if inflammatory back pain is suspected.

Fig 2

The difference between GPs and rheumatologists was statistically significant for x-ray of sacroiliac joints and x-ray of lumbar spine (both p<0.001). * p value based on Fisher's exact test