Figure 2From: The relationship between indoleamine 2,3-dioxygenase activity and post-stroke cognitive impairment Optimal K/T to detect significant cognitive impairment. Receiver Operating Characteristic Curve. A K/T ratio of 78.3 μmol/mmol predicted significant cognitive impairment (sMMSE score ≤ 24) with 67% sensitivity and 86% specificity. Area under the curve = .730[.548, .912]; Std Error = .093, p = .022.Back to article page