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Table 3 SNRo and R2 values of agar gel and water phantoms for T1 curves at TP2

From: Signal-to-noise ratio uniformity and stability of agar gel phantom with iron (III) oxide as relaxation modifier

Phantom TP2
SNRo R2
1 ROI 3 ROIs 25 ROIs 1 ROI 3 ROIs 25 ROIs
1 1494 1626 1474 0.99928 0.99792 0.99869
2 1484 1628 1465 0.99934 0.99788 0.99878
3 1530 1628 1508 0.99934 0.99858 0.99880
4 1453 1601 1435 0.99957 0.99884 0.99913
5 1468 1567 1448 0.99940 0.99839 0.99875
6 1511 1652 1494 0.99933 0.99797 0.99876
7 1424 1517 1412 0.99957 0.99898 0.99901
8 1413 1536 1398 0.99959 0.99887 0.99912
9 1390 1509 1364 0.99942 0.99789 0.99882
10 1468 1535 1449 0.99933 0.99804 0.99875
11 1417 1592 1396 0.99937 0.99835 0.99881
Water 1957 1900 1942 0.99971 0.99912 0.99919