Table 3 Model predictive performance metrics.

From: An early prediction model for canine chronic kidney disease based on routine clinical laboratory tests

Years before T0

Sensitivity

Specificity

Accuracy

PPV

NPV

0

91.42

97.16

93.04

21.22

99.93

0.5

80.22

97.63

90.34

22.07

99.83

1

68.79

98.18

84.83

24.02

99.73

1.5

55.00

98.51

78.79

23.59

99.62

2

44.76

98.95

73.03

26.29

99.54

2.5

35.64

99.36

68.62

31.78

99.46

3

26.48

99.49

61.81

30.28

99.39

3.5

23.20

99.65

59.85

35.67

99.36

  1. For all PPV and NPV calculation the prevalence was fixed at 0.83% (overall data set prevalence).