TABLE 4:

Comparison of Enhancement Rate and Kinetic AUC at Each Time Point in the Ultrafast Acquisition

Time Point	Malignant	Benign	p	AUCa	Interclass Correlation Coefficient
Enhancementrate
C1	24 ± 35	3.7 ± 4.2	0.0074	0.69 ± 0.07	0.99 (0.98, 1.00)
C2	104 ± 55	34 ± 36	<0.0001b	0.87 ± 0.04	0.94 (0.90, 0.97)
C3	152 ± 52	69 ± 54	<0.0001b	0.87 ± 0.05	0.96 (0.93, 0.98)
C4	165 ± 54	86 ± 56	<0.0001b	0.83 ± 0.05	0.95 (0.92, 0.97)
C5	172 ± 58	99 ± 55	<0.0001b	0.81 ± 0.05	0.95 (0.91, 0.97)
C6	174 ± 49	109 ± 57	<0.0001b	0.79 ± 0.06	0.93 (0.88, 0.96)
Kinetic AUC
C1	97 ± 129	21 ± 29	0.0065	0.69 ± 0.07	0.96 (0.94, 0.98)
C2	544 ± 388	151 ± 146	<0.0001b	0.88 ± 0.04	0.96 (0.93, 0.97)
C3	1466 ± 698	520 ± 456	<0.0001b	0.89 ± 0.04	0.92(0.87, 0.95)
C4	2609 ± 1018	1079 ± 841	<0.0001b	0.87 ± 0.04	0.90 (0.84, 0.94)
C5	3825 ± 1373	1746 ± 1235	<0.0001b	0.86 ± 0.05	0.88 (0.80, 0.93)
C6	5071 ± 1724	2495 ± 1630	<0.0001b	0.85 ± 0.05	0.87 (0.78, 0.92)

Note—Values in parentheses are minimum and maximum.

^aAUC ± standard error.

^bStatistically significant according to Bonferroni correction of 21 multiple comparisons (critical value, α = 0.0024).