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Fig. 2 | Arthritis Research & Therapy

Fig. 2

From: Biological treatment of ankylosing spondylitis: a nationwide study of treatment trajectories on a patient level in clinical practice

Fig. 2

Treatment trajectories for bio-naïve AS patients starting a first TNFi in 2006–2015. a The trajectories for all patients discontinuing their first TNFi within the study period 2006–2015 and prior to censoring (N = 1129). b All patients changing their treatment trajectory also a second time within the study period (N = 378). TNFi = tumour necrosis factor alpha inhibitor; AS = ankylosing spondylitis

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