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