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Figure 2 | BMC Neurology

Figure 2

From: The effect of scheduled antibody testing on treatment patterns in interferon-treated patients with multiple sclerosis

Figure 2

Receiver operating characteristic curve and test characteristics for selected serum binding antibody (BAb) titres of predicting serum neutralizing antibody (NAb) positivity. Positive predicted value (PPV) is the probability that the patient is truly NAb-positive (NAb >20), given that the patient has a positive test based on BAb titre (BAb > chosen threshold). Negative predicted value (NPV) is the probability that the patient is truly NAb-negative (NAb <20), given that the patient has a negative test based on BAb titre (BAb < chosen threshold).

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