Table 1.
Characteristics of the patient and control groups.
| Characteristics1 | Schizophrenia (N=15) | Control (N=19) | p |
|---|---|---|---|
| Age (years) | 37.47 ± 10.67 | 36.00 ± 10.89 | 0.70 |
| Sex (male/female) | 9/6 | 14/5 | 0.402 |
| Education (years) | 11.93 ± 2.71 | 12.8 4 ± 1.86 | 0.26 |
| Current smoking status (smoker/nonsmoker) | 8/7 | 6/13 | 0.202 |
| Smoking history (Brinkman Index)3 | 8.18 ± 12.32 | 6.73 ± 8.69 | 0.72 |
| SANS (total) | 7.40 ± 3.44 | ||
| SAPS (total) | 4.40 ± 2.90 | ||
| Duration of illness (years) | 17.25 ± 9.69 | ||
| Neuroleptics | 14/15 | ||
| Antidepressants | 6/15 | ||
| Mood stabilizers | 1/15 | ||
| Anticholinergic agents | 3/15 | ||
| UPSIT score | 29.80 ± 4.62 | 33.37 ± 3.13 | 0.01 |
1
Values expressed as means ± standard deviations unless otherwise indicated.
2
χ2.
3
Brinkman Index = the number of cigarette packs smoked per day is multiplied by the number of years of smoking.