Table 1.
Demographics and clinical scores for healthy controls (HC) and patients with schizophrenia spectrum disorders (SSD)
| Variable | HC (n = 37) | SSD (n = 37) | t a | df | Significance |
|---|---|---|---|---|---|
| Mean ± SD (range) | Mean ± SD (range) | ||||
| Age | 34.08 ± 11.83 (19–59) | 34.41 ± 11.00 (19–63) | −0.12 | 72 | 0.90 |
| Gender (M/F)b | 20/17 | 20/17 | 1 | 1 | |
| Education (years) | 14.43 ± 1.81 | 13.54 ± 2.95 | 1.57 | 72 | 0.12 |
| Olanzapine equivalents | 15.81 ± 9.27 | ||||
| Duration of illness (years) | 8.76 ± 9.81 (0–30) | ||||
| PANSS positive score | 16.03 ± 8.51 | ||||
| PANSS negative score | 16.35 ± 8.02 | ||||
| PANSS global score | 35.62 ± 10.44 | ||||
| PANSS total score | 68.00 ± 22.49 | ||||
| NSS | |||||
| Motor coordination | 7.62 ± 3.73 | ||||
| Sensory integration | 2.43 ± 1.44 | ||||
| Complex motor tasks | 3.08 ± 2.37 | ||||
| Right/left and spatial orientation | 2.43 ± 2.18 | ||||
| Hard signs | 2.92 ± 1.72 |
Abbreviations: df, degree of freedom; NSS, neurological soft signs; PANSS, The Positive and Negative Syndrome Scale; SD, standard deviation.
a
The t values were obtained using a two‐tailed independent samples t‐test.
b
The p values for distribution of gender were obtained by chi‐square test.