TABLE 4:

Diagnostic utility analysis by degree of radiologic diagnostic certainty

Result	Definite Diagnoses* (n = 155)	Probable Diagnoses† (n = 30)
Group
Not CJD	88/0	13/5
CJD	5/62	2/10
Utility
Sensitivity	0.93	0.83
Specificity	1.00	0.72

Note.—No. of diagnoses are negative/positive findings on MR imaging.

^*Read as “definitely CJD” or “definitely not CJD.”

^†Read as “probably CJD” or “probably not CJD.”