Table 1.
Clinical characteristics of the subjects
| Control (N = 22) | Schizophrenia (N = 20) | p-value* | |
|---|---|---|---|
| Male/Female |
12/10 |
11/9 |
0.610 |
| Age (years) |
30.2 ± 11.7 |
31.4 ± 9.3 |
0.720 |
| Education (years) |
15.7 ± 1.4 |
14.3 ± 2.3 |
0.020 |
| RPM |
50.6 ± 8.3 |
43.9 ± 15.2 |
0.091 |
| Similarity |
18.7 ± 3.9 |
14.7 ± 4.5 |
0.003 |
| Physical Anhedonia |
12.2 ± 8.1 |
18.4 ± 10.1 |
0.035 |
| Social Anhedonia |
10.1 ± 6.8 |
16.6 ± 6.7 |
0.004 |
| Simpson-Angus Scale |
|
1.0 ± 1.4 |
|
| PANSS_positive |
|
13.5 ± 5.3 |
|
| PANSS_negative |
|
17.3 ± 5.8 |
|
| PANSS_general |
|
33.4 ± 10.1 |
|
| Duration of illness (years) |
|
4.5 ± 5.8 |
|
| Chlorpromazine equivalent dose (mg) | 513.9 ± 590.8 |
*by chi-square for categorical variable and independent sample t-test for continuous variable. RPM: raw score of Raven’s standard Progressive Matrices, Similarity: Score of the Similarity test, PANSS: Positive and Negative Syndrome Scale.