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Table 4 Validation and evaluation indicators of the screening model in training and validation data

From: A predictive nomogram: a cross-sectional study on a simple-to-use model for screening 12-year-old children for severe caries in middle schools

Indicators

Training data

Validation data

Sensitivity

66.45 (64.33, 68.57)

66.03 (64.30, 67.77)

Specificity

64.26 (59.61, 68.91)

63.88 (61.56, 66.20)

False positive rate (FPR)

35.74 (31.09, 40.39)

36.12 (33.80, 38.44)

False negative rate (FNR)

33.55 (31.43, 35.67)

33.97 (32.23, 35.70)

Positive predictive value (PPV)

19.90 (18.43, 21.38)

19.57 (18.94, 20.20)

Negative predictive value (NPV)

93.50 (93.16, 93.85)

93.40 ((93.26, 93.54)

Youden Index (YI)

30.71 (27.36, 34.06)

29.91 (28.96, 30.86)

Accuracy (ACC)

64.53 (60.61, 68.44)

64.13 (62.27, 65.99)

Area under curve (AUC)

70.53 (68.98,72.08)

68.48 (61.57, 75.39)