Table 5.
Median, first quartile, third quartile, and interquartile values for SNR of white matter (WM) and CNR of white matter/gray matter (WM/GM) and gray matter/cerebrospinal fluid (GM/CSF).
| Turbo factor | Scan time (mins) | SNR | CNR GM/WM | CNR GM/CSF | EN | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median | Q1 | Q3 | IQR | Median | Q1 | Q3 | IQR | Median | Q1 | Q3 | IQR | Median | Q1 | Q3 | IQR | ||
| 50 | 20 : 25 | 14.91 | 14.36 | 19.98 | 5.62 | 2.29 | 2.20 | 2.35 | 0.15 | 1.15 | 1.06 | 1.16 | 0.10 | -7 | -15 | -6 | 9 |
| 100 | 10 : 13 | 15.83 | 14.79 | 17.51 | 2.72 | 2.28 | 2.14 | 2.28 | 0.14 | 1.11 | 1.06 | 1.15 | 0.08 | -15 | -25 | -7 | 18 |
| 150 | 5 : 08 | 16.41 | 14.17 | 16.93 | 2.76 | 2.27 | 2.13 | 2.27 | 0.14 | 1.13 | 1.06 | 1.19 | 0.13 | -18 | -23 | -14 | 9 |
| 200 | 5 : 08 | 17.01 | 14.34 | 19.33 | 4.99 | 2.29 | 2.13 | 2.31 | 0.18 | 1.15 | 0.97 | 1.16 | 0.19 | -13 | -19 | -8 | 11 |
| 225 | 5 : 08 | 15.73 | 14.32 | 19.44 | 5.12 | 2.21 | 2.08 | 2.28 | 0.19 | 1.11 | 1.04 | 1.12 | 0.08 | -21 | -32 | -16 | 16 |
Note: Q1 = first quartile; Q3 = third quartile; IQR = interquartile range.