Table 4:
MSFC Nonprogression (Mean) | MSFC Progression (Mean) | P | |
---|---|---|---|
No. of patients | 25 | 13 | |
ADC histogram markersa | |||
Mean (10−6 m2/s) | 0.956 ± 0.021 | 0.976 ± 0.039 | .042 |
Variance (10−6 m2/s) | 0.088 ± 0.008 | 0.092 ± 0.008 | n.s. |
Skew | 1.035 ± 0.116 | 0.951 ± 0.193 | n.s. |
Peak height (10−3) | 2.662 ± 0.241 | 2.539 ± 0.282 | n.s. |
Peak position (10−6 m2/s) | 0.758 ± 0.017 | 0.768 ± 0.018 | n.s. |
BPF | 0.828 ± 0.040 | 0.783 ± 0.027 | .001b |
WMLLperc (%) | 3.365 ± 1.673 | 4.435 ± 2.228 | n.s. |
Clinical variablesc | |||
Age | 36.9 ± 9.2 | 39.5 ± 11.0 | n.s. |
Disease duration | 6.6 ± 6.6 | 7.5 ± 7.0 | n.s. |
Baseline MSFC | 0.53 ± 0.46 | 0.59 ± 0.33 | n.s. |
Note:—n.s. indicates not significant.
Analysis of covariance with 2-level group factor and age as covariate for MRI variables.
P value lower than Bonferroni-corrected .05/7 ∼ .007.
Two-sided t tests for comparison of clinical variables.