Table 6.

Area under the ROC curve of different hidden layer nodes with one hidden layer in the BP neural network model (N = 4177)

Number of hidden layer nodes	The area under ROC curve (95%Cl)	Z	P
1	0.725(0.711–0.738)	18.109	< 0.0001
2	0.737(0.723–0.750)	19.845	< 0.0001
3	0.746(0.732–0.759)	19.379	< 0.0001
4	0.755(0.741–0.768)	21.893	< 0.0001
5	0.780(0.767–0.792)	24.931	< 0.0001
6	0.778(0.765–0.790)	23.229	< 0.0001
7	0.765(0.752–0.778)	22.774	< 0.0001
8	0.754(0.741–0.767)	22.532	< 0.0001
9	0.735(0.721–0.748)	19.015	< 0.0001
10	0.728(0.714–0.741)	19.158	< 0.0001