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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 FactorEstimateaStandard Errort ratioP > |t|
Age per year1.9070.662.880.0059
High collateral score130.7321.216.16<0.0001
Distal occlusion site−46.5320.80−2.240.030
Complete recanalization−72.4920.80−3.840.0007
Intercept45.7150.720.900.37
  • 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.