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Table 4: 

Flow morphology of IJVs in patients with MS and HCs 2D-TOF using venography and 3D-TRICKSa
Morphology ScoreTOFTRICKS
HC (n = 63)MS (n = 150)NPRMS (n = 104)PRMS (n = 46)NPRMS (n = 96)PRMS (n = 44)
Absent (No.) (%)5 (7.9)23 (15.3)14 (13.5)9 (19.6)7 (6.7)2 (4.3)
Pinpoint (No.) (%)12 (19)23 (15.3)12 (11.5)11 (23.9)18 (17.3)17 (37)
Flattened (No.) (%)18 (28.6)50 (33.3)33 (31.7)17 (37)43 (41.3)30 (65.2)
Crescentic (No.) (%)2 (3.2)2 (1.3)2 (1.9)0 (0)3 (2.9)1 (2.2)
Ellipsoidal (No.) (%)26 (41.3)52 (34.7)43 (41.3)9 (19.6)93 (89.4)41 (89.1)
P value.259.006.01
  • 

    Note:—NPR indicates nonprogressive; PR, progressive.
  • 


    ↵a The differences on the ordinal morphologic flow scale between the study groups were evaluated using the Mann-Whitney U test. Only absent and pinpoint flows in the IJVs were considered abnormal.