Table 5:

√MSE calculated for the fitting of the Patlak line for the gold standard 90- to 240-second delayed acquisition and the truncated delayed acquisitions

	90–120 Seconds	90–150 Seconds	90–180 Seconds	90–210 Seconds	90–240 Seconds
Nonischemic	4.84 (3.95–5.95)	3.13 (2.65–3.71)	2.16 (1.84–2.54)	1.66 (1.41–1.95)	1.35 (1.14–1.59)
Infarct	5.17 (4.10–6.52)	3.38 (2.73–4.19)	2.31 (1.87–2.84)	1.75 (1.43–2.15)	1.41 (1.15–1.73)
Penumbra	5.31 (4.31–6.55)	3.42 (2.86–4.09)	2.35 (1.99–2.78)	1.79 (1.51–2.12)	1.44 (1.21–1.72)

Note:—√MSE indicates root-mean-square error.