Table 1.
Demographic and task performance of participants.
| df | Control (n = 45) | Patient (n = 45) | Statistical value | p | |
|---|---|---|---|---|---|
| Sex (m/f) | 1 | 24/21 | 24/21 | 0.400# | 0.527 |
| Onset | 44 | 20.74 ± 4.32 | |||
| Course | 44 | 38.02 ± 40.53 | |||
| Positive and negative syndrome scale (PANSS) score | 43 | 84.20 ± 9.78 | |||
| High performance | 83.88 ± 7.64 | −0.252& | 0.802 | ||
| Low performance | 84.63 ± 12.20 | ||||
| Age | 88 | 24.07 ± 4.83 | 24.16 ± 5.20 | −0.084& | 0.933 |
| High performance | 23.36 ± 4.18 | 24.15 ± 5.18 | |||
| Low performance | 25.24 ± 5.67 | 24.16 ± 5.37 | |||
| Education | 88 | 13.42 ± 1.59 | 12.60 ± 2.81 | 1.618& | 0.109 |
| High performance | 13.39 ± 1.66 | 12.77 ± 3.09 | |||
| Low performance | 13.47 ± 1.50 | 12.47 ± 2.44 | |||
| d′‘0-back | 88 | 4.00 ± 0.30 | 3.94 ± 0.36 | 0.852∧ | 0.369 |
| High performance | 4.04 ± 0.27 | 4.02 ± 0.36 | |||
| Low performance | 3.93 ± 0.36 | 3.82 ± 0.35 | |||
| d′ 2-back | 88 | 3.18 ± 0.60 | 2.41 ± 0.86 | 7.870∧ | <0.001* |
| High performance | 3.57 ± 0.28 | 3.00 ± 0.44 | |||
| Low performance | 2.55 ± 0.42 | 1.59 ± 0.57 |
df, degree of freedom; Analytic method:
#
Chi-Square test;
&
one sample/independent sample t-test;
∧
Analysis of Variance; Significance:
*
p < 0.001.