TABLE 4:

Linear regression analysis model performed with significant predictive factors for infarct volume (age per year, high collateral score, distal occlusion site, and complete recanalization)

Predictive Factor	Estimate^a	Standard Error	t ratio	P > \|t\|
Age per year	1.907	0.66	2.88	0.0059
High collateral score	130.73	21.21	6.16	<0.0001
Distal occlusion site	−46.53	20.80	−2.24	0.030
Complete recanalization	−72.49	20.80	−3.84	0.0007
Intercept	45.71	50.72	0.90	0.37

Note.—F ratio, 15.43; P > F < 0.0001; root square = 0.563; root mean square error = 71.48.
a Estimates indicate change in infarct volume based on indicated predictive factors. For example, high collateral score (3–5) is estimated to increase infarct value by 130.73 cm³.