Cognitive Impairment in Relapsing Remitting and Secondary Progressive Multiple Sclerosis Patients: Efficacy of a Computerized Cognitive Screening Battery

Table 3

Frequency of impairment in each measure for each group of patients; number and percent %.

	RRMS (𝑁=50)	SPMS (𝑁=30)
Tmta	17 (34%)	19 (63.33%)
Tmtb	17 (34%)	23 (76.67%)
Vfsem	12 (24%)	16 (53.33%)
Vfphon	15 (30%)	15 (50%)
Compmem	8 (16%)	12 (40%)
Psyspeed	10 (20%)	20 (66.67%)
Reactime	29 (58%)	25 (83.33%)
Compatt	12 (24%)	11 (36.76%)
Cognflex	14 (28%)	20 (66.67%)
Procspeed	4 (8%)	8 (26.67%)
Exfunction	12 (24%)	7 (23.33%)

tmta: trail making test a; tmtb: trail making test b; vfsem: verbal fluency semantic; vfphon: verbal fluency phonological; compmem: composite memory; psyspeed: psychomotor speed; reactime: reaction time; compatt: complex attention; cognflex: cognitive flexibility; procspeed: processing speed; exfunction: executive function.
RRMS: relapsing remitting multiple sclerosis; SPMS: secondary progressive multiple sclerosis.