Table 2.

Cognitive performance at baseline (Visit 1) and after 3 months (Visit 2) of MMJ treatment.

Neurocognitive measure	Visit 1 Mean (SD)	Visit 2 Mean (SD)	1-tailed t-test t (p)
TRAIL MAKING TEST
Trails A time (sec)	26.91 (6.63)	22.91 (3.89)	2.29 (0.02)
Trails A errors	0.36 (0.51)	0.55 (0.82)	0.69 (0.25)
Trails B time (sec)	64.18 (13.42)	54.00 (11.87)	1.72 (0.06)
Trails B errors	0.18 (0.41)	0.18 (0.41)	0.00 (0.50)
STROOP COLOR WORD TEST
Color naming percent accuracy	97.46 (1.81)	97.81 (1.83)	1.31 (0.11)
Color naming time (sec)	59.55 (15.85)	56.91 (14.19)	2.84 (0.01)
Word reading percent accuracy	99.55 (1.04)	99.27 (1.27)	0.67 (0.26)
Word reading time (sec)	44.09 (12.79)	43.46 (14.90)	0.69 (0.25)
Interference percent accuracy	97.91 (1.81)	97.18 (3.06)	1.35 (0.10)
Interference time (sec)	106.00 (27.15)	96.27 (20.66)	2.77 (0.01)
WISCONSIN CARD SORTING TEST
Total categories completed	3.00 (1.10)	2.81 (1.16)	0.56 (0.29)
Total correct responses	45.00 (8.10)	46.36 (8.24)	0.51 (0.31)
Total concept level responses	39.18 (10.41)	41.91 (11.45)	0.84 (0.21)
Total perseverative errors	8.36 (4.65)	7.82 (5.12)	0.35 (0.37)
LETTER-NUMBER SEQUENCING
Total correct	11.55 (2.54)	12.00 (2.83)	1.17 (0.14)

Values in bold represent statistically significant differences from Baseline to Visit 2 (p ≤ 0.05), and italicized values represent statistical trends (p ≤ 0.10).