Research Article

Logistic Regression Analysis of Clinical Characteristics for Differentiation of Chronic Obstructive Pulmonary Disease Severity

Table 3

5-fold cross-validation assessing the prediction capability of our model.

FoldCox-Snell R2Nagelkerke R2AccuracyPrecisionRecallF_measureAUC

10.837540.841520.896550.894740.944440.918920.94949
20.892340.895800.785710.800000.666670.727270.81771
30.902700.906080.750000.846150.687500.758620.81250
40.862020.865320.857140.909090.769230.833330.89744
50.893510.896870.821430.812500.866670.838710.89744
Mean0.877620.881120.822170.852500.786900.815370.87492