TABLE 3

Correlation Between ¹⁵O-Water and ¹¹C-PiB Delivery Parameters^*^†

	Spearman ρ
ROI	K_1-Water and K_1-PiB	Rel-K_1-Water and Rel-K_1-PiB	Rel-K_1-Water and ¹¹C-PiB SRTM2-R₁	Rel-K_1-PiB and ¹¹C-PiB SRTM2-R₁
ACG	0.311 (0.195)	0.726^* (<0.001)^*	0.688^* (0.001)^*	0.984^* (<0.001)^*
FRC	0.468 (0.043)	0.816^* (<0.001)^*	0.793^* (<0.001)^*	0.968^* (<0.001)^*
LTC	0.422 (0.072)	0.809^* (<0.001)^*	0.782^* (<0.001)^*	0.963^* (<0.001)^*
PAR	0.512 (0.025)	0.628 (0.004)	0.677^* (0.001)^*	0.967^* (<0.001)^*
PRC	0.295 (0.221)	0.809^* (<0.001)^*	0.840^* (<0.001)^*	0.919^* (<0.001)^*
CTX5	0.312 (0.193)	0.809^* (<0.001)^*	0.822^* (<0.001)^*	0.954^* (<0.001)^*
MTC	0.234 (0.335)	0.693^* (0.001)^*	0.784^* (<0.001)^*	0.901^* (<0.001)^*
OCC	0.350 (0.141)	0.623 (0.004)	0.707^* (0.001)^*	0.895^* (<0.001)^*
OCP	0.486 (0.035)	0.523 (0.019)	0.704^* (0.001)^*	0.839^* (<0.001)^*
SMC	0.186 (0.446)	0.689^* (0.001)^*	0.721^* (<0.001)^*	0.968^* (<0.001)^*
AVS	0.509 (0.026)	0.576 (0.010)	0.499 (0.030)	0.839^* (<0.001)^*
SWM	0.699^* (0.001)^*	0.613 (0.005)	0.673^* (0.002)^*	0.902^* (<0.001)^*
PON	0.247 (0.307)	0.402 (0.088)	0.462 (0.047)	0.921^* (<0.001)^*
THL	0.225 (0.354)	0.780^* (<0.001)^*	0.786^* (<0.001)^*	0.968^* (<0.001)^*
CER	0.433 (0.064)	NA	NA	NA

↵* Statistically significant correlations; threshold of P < 0.0036 after Bonferroni adjustment.
↵† Parameters adjusted for CSF dilution.
Data in parentheses are P values.
NA = not applicable.