Table 3.
The association between tobacco use and psychotic symptoms before medication
| Scale scores (mean ± SD) | Tobacco use | Statistics | p Value | |
|---|---|---|---|---|
| No (n = 44) | Yes (n = 10) | |||
| PANSS positive scores | 22.52 ± 8.50 | 31.30 ± 12.35 | t = −2.70 | .009 |
| PANSS negative scores | 15.93 ± 6.22 | 20.20 ± 11.31 | t = −1.15 | .275 |
| PANSS general psychopathology scores | 38.16 ± 10.59 | 58.50 ± 17.25 | U = 59.50 | <.001 |
| PANSS total scores | 76.61 ± 21.01 | 110.00 ± 31.05 | U = 70.00 | .001 |
| BPRS scores | 43.77 ± 12.84 | 66.80 ± 22.46 | U = 74.50 | .001 |
Abbreviations: PANSS, Positive and Negative Syndrome Scale; SD, standard deviation. Bold font indicates statistical significance.