Table 3.

Magnetization transfer metrics in controls and in the different MS phenotypes studied

ControlsCISRRMSSPMSBMSPPMS
See the text for statistical analysis.
CIS = clinically isolated syndrome; RRMS = relapsing-remitting MS; SPMS = secondary progressive MS; BMS = benign MS; PPMS = primary progressive MS; MTR = magnetization transfer ratio.
Number of patients202142301110
Average brain MTR (%)45.8 ± 0.945.6 ± 1.343.1 ± 3.042.0 ± 4.244.9 ± 0.944.5 ± 1.8
MTR25 (%)35.9 ± 1.235.6 ± 1.831.9 ± 4.030.1 ± 5.834.9 ± 1.432.8 ± 3.1
MTR50 (%)41.8 ± 1.141.8 ± 1.339.4 ± 3.538.0 ± 4.841.4 ± 1.041.0 ± 1.8
MTR75 (%)45.9 ± 0.945.8 ± 1.243.6 ± 3.242.7 ± 4.345.4 ± 0.946.1 ± 1.2
Peak height63.2 ± 5.464.5 ± 5.458.6 ± 7.058.2 ± 8.663.8 ± 5.955.5 ± 9.4
Peak position (%)43.9 ± 1.143.9 ± 1.442.1 ± 3.341.3 ± 4.143.7 ± 0.944.2 ± 1.5
Average lesion MTR (%)40.3 ± 1.938.0 ± 3.736.8 ± 4.539.8 ± 1.740.6 ± 2.9