TABLE 1.

Region of interest analysis for in vivo T₁, T₂, and T₂* values

		qRF-MRF	Reference methoda	Literature10,13,45–48
White matter (ms)	T1	988 ± 66	917 ± 60	~690–1100
	T2	44 ± 4	42 ± 5	~56–80
	T2*	43 ± 4	46 ± 7	~45–48
Gray matter (ms)	T1	1395 ± 227	1210 ± 351	~1286–1393
	T2	63 ± 10	76 ± 9	~78–117
	T2*	51 ± 9	49 ± 10	~42–52
Substantia nigra (ms)	T1	1081 ± 69	978 ± 130	1147
	T2	34 ± 2	38 ± 7	~42–47
	T2*	25 ± 5	26 ± 6	~22–28
Red nucleus (ms)	T1	1057 ± 97	958 ± 156
	T2	39 ± 6	42 ± 8	~46–48
	T2*	32 ± 6	31 ± 6	~24–31

^aMeasured using bSSFP-MRF for T₁ and T₂ multi-echo GRE for T₂*.