TABLE 3

Semiquantitative Analysis of ¹⁸F-FDOPA PET Imaging Data

	RPBM		LDRI
Index	Mean	SD	Mean	SD	P^*
Lesion SUV_max	3.57	1.27	2.17	0.83	<0.05
Stereotactic	3.52	1.20	2.16	0.88	<0.05
Conventional	3.57	0.89	1.55	0.95	<0.05
Conventional and stereotactic	3.69	1.91	2.36	0.57	0.12
Lesion SUV_mean	2.91	0.99	1.82	0.77	<0.05
Stereotactic	3.01	1.05	1.83	0.81	<0.05
Conventional	2.80	0.57	1.32	0.86	0.08
Conventional and stereotactic	2.82	1.36	1.95	0.58	0.15
Striatum SUV_max	3.25	0.89	3.16	1.11	0.71
Stereotactic	3.42	0.95	3.27	1.22	0.64
Conventional	3.48	0.60	2.35	0.99	0.18
Conventional and stereotactic	2.57	0.83	3.01	0.60	0.25
Striatum SUV_mean	2.55	0.69	2.47	0.87	0.65
Stereotactic	2.70	0.78	2.54	0.96	0.57
Conventional	2.65	0.41	1.95	0.63	0.18
Conventional and stereotactic	2.09	0.62	2.39	0.48	0.26
Normal brain SUV_max	1.34	0.33	1.29	0.49	0.49
Stereotactic	1.37	0.30	1.35	0.49	0.88
Conventional	1.15	0.26	0.79	0.59	0.17
Conventional and stereotactic	1.13	0.40	1.20	0.39	0.71
Normal brain SUV_mean	0.95	0.38	0.93	0.23	0.76
Stereotactic	1.01	0.20	0.99	0.39	0.81
Conventional	0.86	0.17	0.50	0.28	0.15
Conventional and stereotactic	0.82	0.32	0.92	0.30	0.55
L/S_max	1.14	0.39	0.72	0.29	<0.05
Stereotactic	1.07	0.38	0.69	0.26	<0.05
Conventional	1.03	0.20	0.71	0.54	0.41
Conventional and stereotactic	1.43	0.50	0.82	0.29	<0.05
L/S_mean	1.18	0.39	0.76	0.30	<0.05
Stereotactic	1.16	0.42	0.75	0.30	<0.05
Conventional	1.05	0.14	0.71	0.56	0.39
Conventional and stereotactic	1.37	0.53	0.83	0.25	<0.05
L/N_max	2.72	0.95	1.81	0.94	<0.05
Stereotactic	2.61	0.88	1.63	0.51	<0.05
Conventional	1.88	0.26	2.17	2.16	0.84
Conventional and stereotactic	3.36	1.32	2.24	1.40	0.11
L/N_mean	2.24	0.84	1.52	0.81	<0.05
Stereotactic	2.23	0.75	1.37	0.47	<0.05
Conventional	2.40	0.49	2.50	2.31	0.95
Conventional and stereotactic	2.70	1.33	1.83	1.12	0.17

↵* As determined by t test.