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Table 5 SNRi and R2 values of agar gel and water phantoms for T2 curves at TP2

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

Phantom TP2
SNRi R2
1 ROI 3 ROIs 25 ROIs 1 ROI 3 ROIs 25 ROIs
1 261.0 271.7 262.1 0.99030 0.99240 0.99080
2 258.3 269.8 257.9 0.98950 0.99160 0.99030
3 268.3 279.0 267.2 0.99060 0.99330 0.99110
4 245.8 258.7 267.2 0.98780 0.99260 0.99110
5 256.0 266.1 255.9 0.98640 0.98820 0.98660
6 272.9 285.6 273.7 0.99050 0.99290 0.99030
7 251.0 265.5 253.3 0.98830 0.99120 0.98910
8 250.9 272.4 253.7 0.98710 0.99150 0.98880
9 256.3 269.9 255.4 0.98560 0.98800 0.98620
10 266.7 276.9 266.0 0.98930 0.99110 0.98990
11 262.7 275.6 258.2 0.98910 0.99120 0.98910
Water 136.8 133.2 144.4 0.98530 0.98810 0.98690