TABLE 2.

Diagnostic Test Statistics for the Dichotomized SUV_max Result Versus Pathology

	1.8 cutoff value for SUVmax				3.5 cutoff value for SUVmax
Reader	Sensitivity	Specificity	PPV	NPV	Sensitivity	Specificity	PPV	NPV
Expert H&N scan reader 1	0.471 (0.327, 0.623)	0.894 (0.862, 0.923)	0.268 (0.167, 0.381)	0.954 (0.931, 0.972)	0.300 (0.155, 0.459)	0.965 (0.942, 0.982)	0.412 (0.231, 0.611)	0.944 (0.919, 0.965)
Expert H&N scan reader 2	0.250 (0.109, 0.419)	0.900 (0.868, 0.929)	0.167 (0.070, 0.281)	0.938 (0.910, 0.962)	0.183 (0.062, 0.330)	0.967 (0.947, 0.983)	0.306 (0.116, 0.517)	0.937 (0.911, 0.961)
Combined central SUVmax	0.507 (0.356, 0.652)	0.851 (0.814, 0.884)	0.225 (0.142, 0.315)	0.953 (0.930, 0.972)	0.267 (0.135, 0.412)	0.970 (0.952, 0.986)	0.435 (0.243, 0.634)	0.939 (0.915, 0.961)
Site read	0.395 (0.250, 0.548)	0.903 (0.874, 0.930)	0.263 (0.154, 0.383)	0.945 (0.920, 0.966)	0.250 (0.119, 0.395)	0.972 (0.955, 0.987)	0.442 (0.235, 0.658)	0.937 (0.912, 0.959)

H&N = head and neck.

Data in parentheses are 95% CIs.