Table 3.

Means and standard deviations for baseline and follow-up cognitive performance measures. Results of paired samples t-test comparing Winsorized baseline and follow-up cognitive performance.

	Baseline		Follow-up		Follow-up - Baseline
Measure	Mean ± SD	N	Mean ± SD	N	Mean ± SD	T- Score	N	P- value
MoCA	25.11 ± 3.10	55	26.6 ± 3.25	25	0.87 ± 2.24	1.946	25	.063
PASAT Trial 1	33.17 ± 10.23	52	38.61 ± 8.54	23	2.96 ± 9.75	1.454	23	.160
PASAT Trial 2	28.24 ± 7.78	50	31.26 ± 7.65	23	1.83 ± 6.08	1.440	23	.164
CVLT-II Total Free Recall	50.42 ± 8.81	55	49.35 ± 7.29	23	−3.52 ± 6.90*	−2.447	23	.023
CVLT-II Long-Delay Free Recall	11.09 ± 3.17	55	11.27 ± 2.99	22	−0.36 ± 2.56	−0.668	22	.512
ARCPT Sensitivity D	2.64 ± 0.56	51	2.98 ± 0.53	23	0.07 ± 0.50	0.610	19	.550
ARCPT Final ISI	72.66 ± 64.26	51	50.63 ± 27.96	23	−3.69 ± 24.91	−0.645	19	.527
ARCPT Inconsistency	7.1 ± 4.16	51	6.52 ± 3.72	23	1.30 ± 3.55	1.591	19	.129
Stroop Word	89.85 ± 17.25	55	90.4 ± 15.74	25	2.36 ± 6.02	1.960	25	.062
Stroop Color	70.15 ± 12.63	54	73.32 ± 12.41	25	2.80 ± 4.13**	3.387	25	.002
Stroop Color Word	37.5 ± 10.41	54	41.72 ± 10.29	25	2.20 ± 6.75	1.629	25	.116
Stroop Color Word Interference	−0.47 ± 8.46	54	3.07 ± 8.21	25	1.20 ± 7.14	0.841	25	.409
TMT Part A	25.46 ± 9.82	54	25.07 ± 8.66	25	−0.20 ± 6.71	−0.150	25	.882
TMT Part B	80.86 ± 49.59	55	59.16 ± 20.56	25	−9.69 ± 15.92**	−3.042	25	.006
FAS Verbal Fluency Total	37.91 ± 11.73	55	40.92 ± 9.96	25	2.28 ± 7.16	1.593	25	.124
Animals Verbal Fluency Total	21.13 ± 4.74	55	21.76 ± 5.13	25	1.40 ± 3.99	1.755	25	.092

Note: MoCA = Montreal Cognitive Assessment, PASAT = Paced Auditory Serial Addition Test, CVLT-II = California Verbal Learning Test Second Edition, ARCPT = Adaptive Rate Continuous Performance Test, TMT = Trail Making Test.