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. Author manuscript; available in PMC: 2018 Sep 7.
Published in final edited form as: Stroke. 2016 Mar 10;47(4):918–922. doi: 10.1161/STROKEAHA.115.011417

Table 3.

Agreement between self-reported cocaine use and toxicology results among cases

Self-reported cocaine use within 30 days
Yes No Total
Toxicology result Positive 34 12 46
Negative 18 309 327
Total 52 321 373