. 2015 Nov;36(11):2147–2152. doi: 10.3174/ajnr.A4425

Table 1:

Multivariate analysis of MR perfusion parameters for PTA, thyroid gland, and cervical lymph node^a

	PTA	Thyroid Gland	Lymph Node	ANOVA (P Value)
Peak enhancement, AU	360.9 ± 87	214 ± 47	305.3 ± 153	PTA vs thyroid: <.001^b
Peak enhancement, AU	360.9 ± 87	214 ± 47	305.3 ± 153	PTA vs LN: .38
Time-to-peak (seconds)	35.2 ± 12.8	48.7 ± 22.6	64.4 ± 35	PTA vs thyroid: .001^b
Time-to-peak (seconds)	35.2 ± 12.8	48.7 ± 22.6	64.4 ± 35	PTA vs LN: <.001^b
Wash-in, AU	7.5 ± 2.6	3.9 ± 1.2	4.4 ± 1.9	PTA vs thyroid: <.001^b
Wash-in, AU	7.5 ± 2.6	3.9 ± 1.2	4.4 ± 1.9	PTA vs LN: <.001^b
Washout, AU	0.80 ± 0.24	0.43 ± 0.17	0.58 ± 0.31	PTA vs thyroid: <.001^b
Washout, AU	0.80 ± 0.24	0.43 ± 0.17	0.58 ± 0.31	PTA vs LN: .016^b

Note:—LN indicates lymph node; AU, arbitrary units.

Data are means ± SD.

Significant.