Table 5.

Mean spatial overlap metrics, with 95% confidence intervals, assessing watershed corrected CNN infarct segmentation accuracy in reconstructed volumes using each CTP parameter.

Perfusion Parameter	Dice Coefficient	Sensitivity	Specificity	Accuracy	PPV	NPV
CBF	0.67±0.01	0.67±0.04	0.99±0.01	0.99±0.01	0.76±0.03	0.99±0.01
CBV	0.44±0.04	0.39±0.06	0.99±0.01	0.99±0.01	0.62±0.08	0.99±0.01
TTP	0.60±0.02	0.58±0.05	0.99±0.01	0.99±0.01	0.67±0.04	0.99±0.01
MTT	0.58±0.02	0.64±0.05	0.99±0.01	0.99±0.01	0.62±0.04	0.99±0.01
Delay Time	0.57±0.03	0.61±0.06	0.99±0.01	0.99±0.01	0.60±0.05	0.99±0.01