Diagnostic Performance of Red Cell Distribution Width in Adult Iraqi Patients with Ankylosing Spondylitis

<div>ROC curve showing RDW as a test to differentiate AS patients from controls. AS: ankylosing spondylitis; ROC: receiver operator characteristics; RDW: red cell distribution width; MPV: mean platelets volume; AUC: area under curve; CI: confidence interval; PPV: positive predictive value; NPV: negative predictive value.</div>

Arthritis

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Figure 2

Figure 2: Diagnostic Performance of Red Cell Distribution Width in Adult Iraqi Patients with Ankylosing Spondylitis 