From: Effect of the G72 (DAOA) putative risk haplotype on cognitive functions in healthy subjects
G72risk status | low | intermediate | high | F | p |
---|---|---|---|---|---|
a: Subjects' characteristics | |||||
number of subjects | 88 | 231 | 104 | ||
Sex ratio (men/women) | 43/45 | 115/116 | 56/48 | χ2 = 0.606 | .739 |
Age (years) | 25.0 (6.7) | 24.9 (6.3) | 23.8 (3.7) | 1.387 | .251 |
Education (years) | 15.5 (2.6) | 15.5 (2.8) | 15.5 (2.2) | .005 | .995 |
b: Cognitive variables | |||||
Spatial span | 19.09 (2.88) | 18.82 (3.12) | 19.62 (2.60) | 2.585 | .077 |
Letter-number-span test | 16.36 (2.51) | 16.28 (2.55) | 17.32 (2.26) | 6.636 | .001 * |
Trail Making Test | 58.29 (15.01) | 62.85 (19.67) | 57.31 (15.42) | 4.357 | .013 |
Semantic verbal fluency | 30.75 (8.88) | 30.91 (9.21) | 32.81 (9.63) | 1.734 | .178 |
Lexical verbal fluency | 17.38 (4.25) | 16.54 (4.47) | 16.89 (5.08) | 1.096 | .335 |
d2-test | 201.3 (35.7) | 188.0 (33.5) | 198.8 (33.8) | 6.545 | .002 * |