Table 2.

Comparisons of BP_ND of [¹¹C]raclopride, BP_ND of [¹¹C]MNPA, and BP_ND Ratio of [¹¹C]MNPA to [¹¹C]raclopride between the Patient and Control Groups

	Patient group (n=11)		Control group (n=17)		Multivariate tests		Between-subject effects (posthoc)
	Mean	SD	Mean	SD	F	P	F	P
BP ND of [11C]raclopride					1.50	.24
Caudate	2.21	0.34	2.30	0.35
Putamen	2.89	0.36	3.04	0.31
Ventral striatum	1.98	0.36	2.12	0.22
BP ND of [11C]MNPA					2.48	.09
Caudate	0.45	0.10	0.47	0.11
Putamen	0.76	0.06	0.75	0.07
Ventral striatum	0.49	0.09	0.54	0.07
BP ND ratio					4.16	.018a
Caudate	0.203	0.020	0.202	0.032			0.11	.74
Putamen	0.265	0.022	0.249	0.020			6.64	.017a
Ventral striatum	0.256	0.054	0.258	0.031			0.00	.98

^a P < .05.