Age, yr | 42.6 ± 4.8 | 38.8 ± 5.1 | t37.87 = 1.09 | 0.29 | 0.50 |
Beck Cognitive Insight Scale, score | −0.6 ± 1.7 | 5.8 ± 3.2 | t28.74 = −3.39 | 0.002 | 20.96 |
Calgary Depression Scale, score | 0.5 ± 0.4 | 4.5 ± 1.8 | t21.21 = −4.26 | 0.001 | 171.20 |
Education level, yr | 12.5 ± 0.4 | 13.6 ± 1.3 | t22.70 = −1.56 | 0.13 | 0.80 |
Premorbid IQ, score | 104.0 ± 3.6 | 102.3 ± 3.9 | t37.74 = 0.65 | 0.52 | 0.37 |
Six Elements Test, errors | 9.2 ± 1.4 | 8.0 ± 2.1 | t32.94 = 0.93 | 0.36 | 0.44 |
Six Elements Test, points | 920.8 ± 86.4 | 801.0 ± 101.3 | t37.07 = 1.76 | 0.09 | 1.04 |
WAIS matrix subtest, score | 10.2 ± 1.1 | 9.0 ± 1.3 | t37.13 = 1.33 | 0.19 | 0.62 |
WAIS letter–number sequencing subtest, score | 9.1 ± 1.2 | 7.7 ± 1.1 | t37.98 = 1.69 | 0.10 | 0.94 |
WAIS vocabulary subtest, score | 10.0 ± 1.2 | 11.1 ± 1.5 | t36.54 = −1.06 | 0.30 | 0.48 |
Criterion | 0.00 ± 0.21 | −0.32 ± 0.15 | t37.7 = 2.50 | 0.020 | 3.24 |
Sensitivity, d’ | 1.38 ± 0.11 | 1.29 ± 0.08 | t36.7 = 0.85 | 0.40 | 0.41 |
Motion variance | 2.01 ± 0.20 | 1.59 ± 0.17 | t38.9 = 3.09 | 0.004 | 10.60 |