Automatic Prediction of Meningioma Grade Image Based on Data Amplification and Improved Convolutional Neural Network

Table 7

Statistics based on Wilcoxon signed-rank test for paired sample comparison.

Times	Original network accuracy (%)	Improved network accuracy (%)	Z
1	67.53	81.82	−2.804881	0.005
2	72.73	84.42
3	68.83	87.01
4	75.32	87.01
5	70.13	85.71
6	72.73	83.12
7	68.83	81.82
8	77.72	81.82
9	72.37	84.21
10	77.63	85.53