Table 1.
Demographic data of patients and controls
| Gender (m/f) | Age | Education | Handedness RH/LH | Cigarettes per day | Verbal IQ | |
|---|---|---|---|---|---|---|
| Controls (n = 26) | 21/5 | 24.65 (4.35) | 3 | 25 / 1 | 8.08 (7.45) | 103 (8.8) |
| Patients (n = 26) | 21/5 | 27.35 (5.66) | 3 | 23 / 3 | 11.27 (11.31) | 102 (13.4) |
| Stat. difference | X 2 = 0.0; P > 0.5 | t 50 = 1.92; P > 0.05 | Z = 1.53; P > 0.1 | X 2 = 1.08; P > 0.25 | t 50 = 1.2; P > 0.2 | t 50 = 0.6; P > 0.5 |
Mean values and standard deviation (in brackets) are reported for age, cigarettes per day and verbal IQ. Median values are reported for education level.