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Table 4 SNRi and R2 values of agar gel and water phantoms for T2 curves at TP1

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

Phantom TP1
SNRi R2
1 ROI 3 ROIs 25 ROIs 1 ROI 3 ROIs 25 ROIs
1 250.7 261.2 261.2 0.98960 0.98960 0.98960
2 250.7 259.1 251.4 0.98910 0.98920 0.99040
3 253.6 260.2 255.2 0.99120 0.99330 0.99160
4 240.3 250.5 241.9 0.99830 0.99830 0.98950
5 248.3 258.6 252.0 0.98510 0.98510 0.98480
6 265.8 276.0 274.8 0.99010 0.99010 0.98110
7 239.6 249.2 238.5 0.98740 0.98740 0.98810
8 246.3 259.5 246.3 0.98580 0.98580 0.98810
9 255.9 265.5 256.6 0.98460 0.98460 0.98550
10 250.3 257.8 249.5 0.99010 0.99010 0.98880
11 266.4 283.0 269.6 0.98840 0.98840 0.98830
Water 287.1 466.7 173.6 0.98530 0.98500 0.97340