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Table 3 Model validation results based on MAE, χ2 measure and BCIs

From: Modelling age-heterogeneous Schistosoma haematobium and S. mansoni survey data via alignment factors

 

Model A

Model B

Model C

Model D

Age groups

≤ 20 years

All

All

All

Alignment

-

-

Regional

Country

S. haematobium

    

MAE

16.4

16.7

15.5

16.5

χ2

126.4

95.7

72.6

96.6

50% BCI (width of BCI)

39.7 (24.8)

41.1 (24.3)

42.1 (25.2)

38.1 (24.5)

70% BCI (width of BCI)

57.1 (36.9)

57.1 (36.3)

61.1 (37.7)

61.9 (36.5)

90% BCI (width of BCI)

75.4 (54.1)

75.4 (53.5)

75.4 (54.7)

75.4 (53.9)

95% BCI (width of BCI)

84.9 (61.0)

81.0 (60.4)

79.4 (61.2)

80.2 (60.6)

S. mansoni

    

MAE

11.5

11.3

11.0

11.5

χ2

48.3

46.8

39.7

43.1

50% BCI (width of BCI)

41.5 (18.5)

34.6 (16.1)

36.9 (15.2)

40.0 (16.4)

70% BCI (width of BCI)

57.7 (29.0)

60.8 (25.4)

60.8 (24.7)

60.8 (26.0)

90% BCI (width of BCI)

80.0 (47.6)

79.2 (41.3)

80.0 (41.6)

81.5 (44.0)

95% BCI (width of BCI)

88.5 (56.5)

84.6 (49.6)

83.8 (50.2)

83.8 (52.7)

  1. BCI, Bayesian credible interval; MAE, mean absolute error.