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Fig. 3 | Arthritis Research & Therapy

Fig. 3

From: Which measuring site in ankylosing spondylitis is best to detect bone loss and what predicts the decline: results from a 5-year prospective study

Fig. 3

Mean change (percent) in bone mineral density over 5 years according to ever exposure to medication during follow-up; patients not exposed to bisphosphonates or TNFi, patients ever exposed to bisphosphonates but not to TNFi during follow-up, patients ever exposed to TNFi but not bisphosphonates during follow up, and patients ever exposed to both TNFi and bisphosphonate during follow-up. Error bars represent SEM. AP anterior-posterior, Bis bisphosphonate, BMD bone mineral density, ns not significant, TNFi tumor necrosis factor inhibitor, vBMD volumetric BMD

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