Table 1.
Demographic information and neurocognition performance of 77 subjects.
| Variable | Total (n = 77) | HC (n = 39) | EP (n = 38) | P -value |
|---|---|---|---|---|
| Age,mean (SD), y, t | 24.42 (4.81) | 24.54 (5.35) | 24.29 (4.23) | 0.884 |
| Max | 43.69 | 43.69 | 40.57 | - |
| Min | 16.22 | 16.22 | 18.30 | - |
| Gender, χ2 | 0.817 | |||
| Male | 62 | 31 | 31 | - |
| Female | 15 | 8 | 7 | - |
| Ethnicity, χ2 | 0.852 | |||
| Caucasian | 56 | 28 | 28 | - |
| Other | 21 | 11 | 10 | - |
| Duration of psychosis, mean (SD), y | - | - | 1.00 (0.73) | - |
| Clinical Scores | ||||
| Positive PANSS, mean (SD) | - | - | 11.61 (3.45) | - |
| Negative PANSS, mean (SD) | - | - | 16.04 (5.66) | - |
| Cognitive Scores | ||||
| Processing speed (PSp)‡, mean(SD), t | 46.72 (12.97) | 55.00 (9.54) | 38.23 (10.51) | 1.75E-05 |
| Vigilance (Vig), mean (SD), t | 47.07 (10.46) | 51.16 (5.50) | 42.88 (12.70) | 0.0651 |
| Working memory (WMe), mean (SD), t | 49.67 (8.29) | 50.00 (6.79) | 49.35 (9.77) | 0.556 |
| Verbal learning (VeL)‡, mean (SD), t | 49.23 (8.43) | 53.81 (6.91) | 44.54 (7.37) | 4.12E-04 |
| Visual learning (ViL)‡, mean (SD), t | 47.83 (9.05) | 51.31 (7.54) | 44.27 (9.30) | 0.111 |
| Problem solving (Pso), mean (SD), t | 53.33 (8.12) | 57.15 (4.57) | 49.42 (9.22) | 0.0801 |
‡
with significant difference between groups (p < 0.05);
SD, standard deviation; PANSS, Positive and Negative Syndrome Scale; χ2, Chi-squared test; t, two-tailed student t-test; y, year.