Absolute and relative increase in signal intensity ratios for the low-exposure cohorta
| Δ Week –4 to Year 1 | P Value | Δ Year 1 to Year 2 | P Value | Δ Week –4 to Year 2 | P Value | |
|---|---|---|---|---|---|---|
| L. DN | 0.05 ± 0.17 (5%) | .003 | 0 ± 0.20 (0%) | NS | 0.04 ± 0.15 (4%) | .003 |
| L. GP | 0.01 ± 0.09 (1%) | NS | 0 ± 0.17 (0%) | NS | 0 ± 0.18 (0%) | NS |
| L. CD | 0.01 ± 0.09 (1%) | NS | 0 ± 0.22 (0%) | NS | 0 ± 0.21 (0%) | NS |
| L. TH | 0 ± 0.09 (0%) | NS | 0.01 ± 0.18 (1%) | NS | 0.01 ± 0.19 (1%) | NS |
Note:—L. indicates left; NS, not significant.
↵a Data are absolute (mean ± SD) and relative (%) increases.