Table 2 Demographics and Clinical Details of People with Schizophrenia and Healthy Controls.
Variable | PWS (N = 20) | HC (N = 20) | Statistics (Z) | p |
---|---|---|---|---|
Age | 46.3 ± 11.1 (43) | 43.6 ± 13.5 (38.5) | −0.921 | 0.357 |
Male (%) | 12 (55) | 12 (55) | 0.000※ | 1.000 |
Education (years) | 12.5 ± 1.9 (12) | 14.5 ± 1.8 (16) | −3.116 | 0.002 |
Driving experience (years) | 17.6 ± 8.6 (19.5) | 18.9 ± 11.5 (17.5) | -0.095 | 0.924 |
Parking tickets in the past two years (number) | 0 ± 0 (0) | 0 ± 0 (0) | 0.000 | 1.000 |
Accidents in the past two years (number) | 0.1 ± 0.3 (0) | 0 ± 0 (0) | 0.000 | 1.000 |
Duration of illness (years) | 20.9 ± 4.3 (21) | None | ||
Chlorpromazine equivalent (mg) | 591.7 ± 277 (600) | None | ||
Atypical antipsychotics dose (mg) | 566.3 ± 297 (600) | None | ||
Typical antipsychotic dose (mg) | 537.5 ± 194 (537) | None | ||
Trail making test A (s) | 50.1 ± 13.8 (47) | 35.7 ± 10.5 (35.5) | −3.669 | 0.000 |
Continuous performance test | ||||
Correct answer rate (%) | 94.5 ± 8.6 (95) | 96.8 ± 2.6 (95.2) | −1.468 | 0.121 |
Reaction time (ms) | 531.3 ± 110.4 (500) | 495.8 ± 96.4 (480) | −2.311 | 0.021 |
Coefficient of variation | 14.3 ± 4.3 (13) | 13.9 ± 4.2 (13.9) | −0.117 | 0.871 |
Wechsler memory test (visual memory I) | 27.2 ± 8.5 (29) | 35.5 ± 4.1 (36.5) | −3.720 | 0.000 |
Zoo map tests | 9.7 ± 3.2 (9) | 13.1 ± 3.7 (16) | −2.609 | 0.009 |
Useful field of view | 43.9 ± 7.4 (46) | 46.5 ± 6.1 (48) | −2.334 | 0.020 |
PANSS a) total | 48.1 ± 6.2 (49) | None | ||
PANSS positive | 12.8 ± 3.5 (12) | None | ||
PANSS negative | 12.1 ± 3.6 (12) | None | ||
PANSS general psychopathology | 23.2 ± 3.6 (23) | None | ||
DIEPSS b) | 5.2 ± 3.2 (5) | None | ||
Specific Levels of Functioning Scale | 98.1 ± 6.6 (97) | None |