Table 2 Thresholds used for evaluation of ATI with minimum and maximum values as well as applied increment.

From: Comparison of Accuracy of Arrival-Time-Insensitive and Arrival-Time-Sensitive CTP Algorithms for Prediction of Infarct Tissue Volumes

Parameter

Minimum

Maximum

Increment

CBV (ml/100 g)

1

10

0.1

MTT (sec)

1

20

0.5

CBF (ml/100 g/min)

1

90

1

Tmax (sec)

1

16

0.5

CBV_rel

0.05

3.5

0.05

MTT_rel

0.05

3

0.05

CBF_rel

0.05

3

0.05

Tmax_rel

0.05

4

0.05

  1. CBV = cerebral blood volume. MTT = mean transit time. CBF = cerebral blood flow. Tmax = time to the maximum of the residue function obtained by deconvolution.
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