Table 2.
Comparative representation of short and long T2 values and fat content as derived from the short T2 contribution (ILT method) or biexponential contribution (Mexp method)
| Samples | Phantom position | Mean T2 (inverse Laplace transform) | Mean T2 (multiexponential method) | ||||
|---|---|---|---|---|---|---|---|
| Short T2 (ms) ± SD | Long T2 (ms) ± SD | Short T2 contribution | Short T2 (ms) ± SD | Long T2 (ms) ± SD | Biexponential contribution | ||
| Acetone | 1 | – | 2,196 ± 1,066 | 0.0% | – | 2,231 ± 206 | 2% |
| Double distilled water | 2 | – | 1,884 ± 987 | 0.0% | – | 1,716 ± 240 | 3% |
| Milk cream 35% | 3 | 56 ± 25 | 177 ± 77 | 17.2% | 41 ± 16 | 240 ± 55 | 100% |
| Milk cream 20% | 4 | 68 ± 53 | 315 ± 195 | 5.2% | 44 ± 24 | 304 ± 66 | 95% |
| Milk cream 15% | 5 | 51 ± 13 | 215 ± 94 | 3.6% | 46 ± 26 | 411 ± 48 | 90% |
| Milk cream 12% | 6 | 56 ± 18 | 238 ± 117 | 3.3% | 57 ± 35 | 349 ± 64 | 85% |
| One white, three yolks | 7 | 82 ± 30 | 261 ± 95 | 44% | 46 ± 10 | 177 ± 23 | 90% |
| Three whites, one yolk | 8 | – | 287 ± 72 | – | 47 ± 33 | 317 ± 50 | 60% |
| One white, three yolks | 9 | 69 ± 25 | – | 65 ± 2 | – | 9% | |
| One yolk | 10 | 31 ± 7 | 216 ± 50 | 30% | 30 ± 2 | 236 ± 20 | 100% |
| Corn oil | 11 | 56 ± 18 | 215 ± 115 | 20% | 40 ± 12 | 193 ± 33 | 100% |
| One white | – | – | 380 ± 200 | – | 50 ± 33 | 395 ± 62 | 40% |
Short T2 contribution is the ratio of (area of short T2 distribution)/(area of short T2 distribution + area of long T2 distribution) and biexponential T2 contribution is the ratio of number of voxels classified as biexponential/number of monoexponential voxels + number of biexponential voxels