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Among patients with information regarding presence or absence of crack use (66 of 144 stroke patients and 99 of 147 controls)crack use at any time was not associated with stroke(odds ratio(OR)=0.7,95%CI 0.4-1.8)or cerebral infarction(OR=0.5,95%CI 0.2-1.2).Among patients providing temporal information regarding crack use,acute crack use was not associated with stroke(OR=1.9,95%CI 0.7-1.5)or cerebral infarction(OR=1.2, 95%CI 0.4-3.8).Crack use at any time or acute crack use was not significantly associated with stroke or cerebral infarction in our patient population. |
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