Table 2:

Statistical comparisons (using a t test) of MR imaging—based measurements among patients with RRMS, SPMS, and PPMS*

	PPMS vs SPMS	RRMS vs SPMS	PPMS vs RRMS
BPF	0.030	1.7e-5^†	0.020
MOV	0.13	1.9e-6^†	1.2e-5^†
Total CC area	0.0026^†	0.0013^†	0.99
CC-segment 1	0.052	0.013^†	0.39
CC-segment 2	0.024	0.018	0.83
CC-segment 3	0.00014^†	2.7e-3^†	0.61
CC-segment 4	0.0032^†	0.011^†	0.49
CC-segment 5	0.0041^†	0.0042^†	0.53

* To account for multiple comparisons, the α level for significance was 0.0167.
† Significant P values.