Table 3.

AUC, Difference in AUC, Sensitivity, Specificity and Positive Predictive Values 1 (PPV₁) in DMIST by machine type

	AUC Digital	AUC Film	AUC Difference	Sensitivity Digital	Sensitivity Film	Specificity Digital	Specificity Film	PPV1 Digital	PPV1 Film
All	0.775 (0.020)	0.744 (0.022)	0.032 (0.024)	0.697 (0.029)	0.657 (0.030)	0.918 (0.001)	0.917 (0.001)	0.048 (0.004)	0.045 (0.003)
Fischer	0.688 (0.045)	0.695 (0.045)	-0.007 (0.049)	0.619 (0.061)	0.651 (0.060)	0.908 (0.003)	0.916 (0.003)	0.041 (0.006)	0.046 (0.007)
Fuji	0.788 (0.054)	0.730 (0.063)	0.058 (0.068)	0.727 (0.067)	0.591 (0.074)	0.934 (0.003)	0.930 (0.003)	0.052 (0.009)	0.040 (0.008)
General Electric	0.809 (0.024)	0.775 (0.028)	0.034 (0.031)	0.709 (0.040)	0.685 (0.041)	0.917 (0.002)	0.917 (0.002)	0.054 (0.006)	0.052 (0.005)

Numbers in Parentheses are Standard Errors

Negative Numbers indicate film AUC is greater than digital

There were no comparisons where p is significant at <0.0033.