Table 1:

Model performance without and with baseline clinical covariates for distinguishing infarct from noninfarct regions for the best performing perfusion parameters^a

In All Patients	Cutoff Value	Accuracy	AIC	P Value
CBF-GM-Rel
A) Without any covariate	0.64	0.88	2465.9
B) With covariates	0.78	0.91	2401.4	<.0001b
CBF-WM-Rel
A) Without any covariate	0.80	0.85	2693.6
B) With covariates	0.87	0.86	2593.6	<.0001b
Tmax-GM-Abs
A) Without any covariate	6.0	0.84	1377.8
B) With covariates	4.4	0.88	1358.5	.0113b
Tmax-WM-Abs
A) Without any covariate	5.9	0.79	1251.5
B) With covariates	3.7	0.80	1232.1	.0108b

Note:—Rel indicates relative to the contralateral side; Abs, absolute value; AIC, Akaike Information Criterion.

^aRemaining parameters are presented in On-line Table 2.

^bSignificant.