Computer-Aided Diagnosis Systems for Lung Cancer: Challenges and Methodologies

Table 10

Evaluation of nodule malignancy in PET.

Study	Database	Accu./PPV	Sensitivity	Specificity
Dewan et al. [319]	30	PPV = 90%	95%	80%
Gupta et al. [320]	61	PPV = 92%	93%	88%
Lowe et al. [321]	89	Accu. = 91%	92%	90%
Lee et al. [322]	71	PPV = 86%	95%	82%
Herder et al. [323]	36	PPV = 72%	93%	77%
Halley et al. [324]	28	NA	94%	89%

*Accu denotes accuracy and PPV denotes positive productive value.