. 2013 Apr;42(4):20120261. doi: 10.1259/dmfr.20120261

Table 5.

Sensitivity (Se), Specificity (Sp), positive predictive value (PPV), negative predictive value (NPV) and false-positive ratio (FPR) for each observer and their first reading

Imaging modality	Observer 1
Imaging modality	Se	Sp	PPV	NPV	FPR
Accuitomo 170, 40×40 mm FOV (0.080 mm³)	0.96	0.95	0.95	0.96	0.05
Accuitomo 170, 60×60 mm FOV (0.125 mm³)	0.88	0.98	0.98	0.89	0.02
Kodak 9000, 50×37 mm FOV (0.076 mm³)	0.98	0.98	0.98	0.98	0.02
Kodak 9000, 50×37 mm FOV (0.100 mm³)	0.98	0.98	0.98	0.98	0.02
Vatech Pax-Duo3D 50×50 mm FOV (0.080 mm³)	0.98	0.98	0.98	0.98	0.02
Vatech Pax-Duo3D 85×85 mm FOV (0.120 mm³)	0.98	0.88	0.89	0.98	0.12
Imaging modality	Observer 2
Imaging modality	Se	Sp	PPV	NPV	FPR
Accuitomo 170, 40×40 mm FOV (0.080 mm³)	0.95	0.98	0.98	0.95	0.05
Accuitomo 170, 60×60 mm FOV (0.125 mm³)	0.95	0.93	0.93	0.95	0.05
Kodak 9000, 50×37 mm FOV (0.076 mm³)	0.95	0.98	0.98	0.95	0.05
Kodak 9000, 50×37 mm FOV (0.100 mm³)	0.93	0.98	0.98	0.93	0.07
Vatech Pax-Duo3D 50×50 mm FOV (0.080 mm³)	0.98	0.93	0.93	0.98	0.02
Vatech Pax-Duo3D 85×85 mm FOV (0.120 mm³)	0.83	1.0	1.0	0.85	0.17
Imaging modality	Observer 3
Imaging modality	Se	Sp	PPV	NPV	FPR
Accuitomo 170, 40×40 mm FOV (0.080 mm³)	0.98	0.93	0.93	0.98	0.07
Accuitomo 170, 60×60 mm FOV (0.125 mm³)	0.90	0.93	0.93	0.91	0.07
Kodak 9000, 50×37 mm FOV (0.076 mm³)	0.98	1.0	1.0	0.98	0
Kodak 9000, 50×37 mm FOV (0.100 mm³)	0.98	0.98	0.98	0.98	0.02
Vatech Pax-Duo3D 50×50 mm FOV (0.080 mm³)	0.95	0.95	0.95	0.95	0.05
Vatech Pax-Duo3D 85×85 mm FOV (0.120 mm³)	0.93	0.95	0.95	0.93	0.05
Imaging modality	Observer 4
Imaging modality	Se	Sp	PPV	NPV	FPR
Accuitomo 170, 40×40 mm FOV (0.080 mm³)	0.98	0.90	0.91	0.98	0.10
Accuitomo 170, 60×60 mm FOV (0.125 mm³)	0.93	0.93	0.93	0.93	0.07
Kodak 9000, 50×37 mm FOV (0.076 mm³)	0.98	0.95	0.95	0.98	0.05
Kodak 9000, 50×37 mm FOV (0.100 mm³)	0.95	0.98	0.98	0.95	0.02
Vatech Pax-Duo3D 50×50 mm FOV (0.080 mm³)	0.98	0.93	0.93	0.98	0.07
Vatech Pax-Duo3D 85×85 mm FOV (0.120 mm³)	0.83	0.95	0.94	0.85	0.05
Imaging modality	Observer 5
Imaging modality	Se	Sp	PPV	NPV	FPR
Accuitomo 170, 40×40 mm FOV (0.080 mm³)	0.98	0.95	0.95	0.98	0.05
Accuitomo 170, 60×60 mm FOV (0.125 mm³)	0.90	0.95	0.95	0.90	0.05
Kodak 9000, 50×37 mm FOV (0.076 mm³)	0.95	0.98	0.98	0.95	0.02
Kodak 9000, 50×37 mm FOV (0.100 mm³)	0.88	0.93	0.93	0.89	0.07
Vatech Pax-Duo3D 50×50 mm FOV (0.080 mm³)	0.98	0.98	0.98	0.98	0.02
Vatech Pax-Duo3D 85×85 mm FOV (0.120 mm³)	0.98	0.88	0.89	0.98	0.12

FOV, field of view.

Accuitomo 170 is manufactured by J Morita Mfg. Corp., Kyoto, Japan; Kodak 9000 by Eastman Kodak Co., Rochester, NY; and Vatech Pax-Duo3D by Vatech, Seoul, Republic of Korea.