Validity, reliability, and psychometric properties of a computerized, cognitive assessment test (Cognivue®)

Figure 2 Scatterplot showing the St Louis University Mental Status and Cognivue^® scores for the 92 study participants. The table to the left of the scatter plot provides a key for relating the plot to participant classifications. Above the upper horizontal red line shows Cognivue^® scores of < 50 and to the left of the left vertical blue line shows St. Louis University Mental Status (SLUMS) scores < 21 denoting impaired. Below the bottom horizontal red line shows Cognivue^® scores of > 75 and to the right of the right vertical blue line shows SLUMS > 27 denoting unimpaired. Results of the analyses of classification are included in the table enclosed in the scatter plot. ACC: Accuracy; FN: False negative; FP: False positive; N%A: Negative percent agreement; P%A: Positive percent agreement; SLUMS: St. Louis University Mental Status; TN: True negative; TP: True positive.