Table 3.
Linear correlations between clinical metrics and tracer uptake.
| disease duration | NAWM suvr | cNAGM suvr | Lesion suvr | |
|---|---|---|---|---|
| EDSS | ||||
| Coefficient | 0.12 | 1.77 | 2.15 | 1.77 |
| CI | 0.06; 0.18 | 0.35; 3.20 | 0.23; 4.06 | 0.35; 3.20 |
| p value | <0.001 | 0.02 | 0.03 | 0.02 |
| SDMT | ||||
| Coefficient | −0.08 | −2.42 | −1.8 | −1.45 |
| CI | −015; −0.02 | −0.64; −0.19 | −4.12; 0.44 | −3.60; 0.7 |
| p value | 0.01 | 0.03 | 0.1 | 0.2 |
Abbreviations: EDSS= expanded disability status scale; SDMT= symbol digit modalities test; NAWM= normal appearing white matter; cNAGM= normal appearing cortical grey matter; SUVR= standardized uptake values normalized by a pseudo-reference region; CI= confidence interval.