Research Article
Determining Optimal Cutoffs for Exhaled Carbon Monoxide and Salivary Cotinine to Identify Smokers among Korean Americans in a Smoking Cessation Clinical Trial
Table 4
Sensitivity and specificity of salivary cotinine cutoff levels 1 and 2 at each follow-up.
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The number of participants varied at each follow-up: 80 at 3 months, 76 at 6 months, and 72 at 12 months. |