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Table 2 Net reclassification improvement analyses between EB and BN2 based on ANN groups

From: Enhanced diagnostic accuracy for quantitative bone scan using an artificial neural network system: a Japanese multi-center database project

  EB BN2
0 to 0.24 0.25 to 0.49 0.50 to 0.74 0.75 to 1.00 Total
Metastasis (n = 169): net gain in reclassification proportion = 3.6%, p = 0.38 0 to 0.24 1 3 3 3 10
0.6% 1.8% 1.8% 1.8%  
0.25 to 0.49 2 2 4 5 13
1.2% 1.2% 2.4% 3.0%  
0.50 to 0.74 2 1 5 8 16
1.2% 0.6% 3.0% 4.7%  
0.75 to 1.00 1 3 11 115 130
0.6% 1.8% 6.5% 68.0%  
Total 6 9 23 131 169
No metastasis (n = 334): net gain in reclassification proportion = −26.0%, p < 0.0001 0 to 0.24 96 31 14 4 145
28.7% 9.3% 4.2% 1.2%  
0.25 to 0.49 41 14 5 2 62
12.3% 4.2% 1.5% 0.6%  
0.50 to 0.74 34 19 9 5 67
10.2% 5.7% 2.7% 1.5%  
0.75 to 1.00 35 11 8 6 60
10.5% 3.3% 2.4% 1.8%  
Total 206 75 36 17 334
  1. Total NRI = 29.6%, p < 0.0001.