Table 2.
Trends in MTR Parameters During NAT
| Averageat Scan 1 | Averageat Scan 2 | Averageat Scan 3 | Averageat Scan 4 | P-Value (from subjects withtumor at all 4 scans) | |
|---|---|---|---|---|---|
| Mean | 28 ± 5 | 27 ± 4 | 29 ± 5 | 31 ± 7 | 0.37 |
| Standard deviation | 11 ± 4 | 11 ± 4 | 13 ± 4 | 12 ± 4 | 0.005 |
| FWHM | 24 ± 9 | 26 ± 9 | 31 ± 10 | 27 ± 10 | 0.02 |
| 25th percentile | 25 ± 6 | 22 ± 5 | 22 ± 9 | 27 ± 7 | 0.06 |
| 75th percentile | 37 ± 9 | 36 ± 6 | 40 ± 11 | 41 ± 7 | 0.06 |
| 95th percentile | 49 ± 11 | 48 ± 9 | 53 ± 14 | 53 ± 11 | 0.09 |
| Kurtosis | 5.59 ± 3.44 | 4.65 ± 2.88 | 3.17 ± 1.00 | 3.49 ± 1.26 | 0.02 |
The averages include all subject scans, while the P-value is from repeated-measures ANOVA, which includes only subjects with data at all 4 scans (n = 12).