15 The statistical power of our study was too low to analyze for gender subset differences, but we observed a slight trend toward lower (3.6%) loxapine concentrations in male smokers, and a trend toward lower levels (25.7%) in female smokers.
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The sentences
A nonsignificant trend toward lower (78%) clozapine concentrations in male smokers was reported, and a significant decrease (45%) in clozapine levels in smoking and nonsmoking females (n = 13) was also observed. 15 The statistical power of our study was too low to analyze for gender subset differences, but we observed a slight trend toward lower (3.6%) loxapine concentrations in male smokers, and a trend toward lower levels (25.7%) in female smokers.