TABLE 2

Relationship Between ECD Uptake Ratios and CBF Ratios

SPECT scan time after tracer injection (s)	All infarct areas		Infarct areas with CBF below mean value of control group*
SPECT scan time after tracer injection (s)	Correlation coefficient	P	Correlation coefficient	P
36	0.991	<0.0001	0.910	<0.0001
72	0.945	<0.0001	0.954	<0.0001
108	0.754	<0.0001	0.886	<0.0001
144	0.513	0.0094	0.803	0.0009
180	0.372	NS	0.754	0.0032
216	0.290	NS	0.731	0.0052
252	0.206	NS	0.711	0.0076
288	0.148	NS	0.705	0.0085