TABLE 2:

Specificity in the blinded evaluation

Dose Group and Postdose Time Point	Total Lymph Nodes	Sequence Specificity (%)
Dose Group and Postdose Time Point	Total Lymph Nodes	T2-Weighted	FFE-25	FFE-80
1.1 mg Fe/kg
6 h	38	45	16^*	37
12 h	38	11	40^†	47
24 h	38	29	53	66
36 h	38	14^*	50	50
1.7 mg Fe/kg
6 h	25	60	52	52
12 h	25	80	32	68
24 h	25	88	48	64
36 h	25	80	48	64
2.6 mg Fe/kg
6 h	26	88	42	50
12 h	26	81	58	54
24 h	26	88	73	85
36 h	26	88	85	88
3.4 mg Fe/kg
6 h	20	60	55	35
12 h	20	70	70	80
24 h	20	75	95	95
36 h	20	75	100	80

Note.— The specificity was based on the signal intensity and lymph node architecture. A decrease in the signal intensity of a heterogeneous lymph node indicated a false-positive result.
* The total number of lymph nodes was 37.
† The total number of lymph nodes was 35.