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Figure 1: The receiver operated characteristics curve, with sensitivity and specificity values and the area under the curve (AUC) statistics. AUC = 0.997 (0.99–1.003), P < 0.001. At Japanese Stroke Scale for Depression cut-off value of 2.37, sensitivity = 0.941 (94.1%), 1-specificity = 0.028 (specificity = 97.2%). (a) The smallest cut-off value is the minimum observed test value minus 1, and the largest cut-off value is the maximum observed test value plus 1. All the other cut-off values are the averages of two consecutive ordered observed test values |
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