Statistical analysis Subjects were assigned to the PK population set (PK set) if they completed the use of the study product, had data for the critical time points in the plasma nicotine concentrationtime profiles, did not use a concomitant medication that rendered the concentration profile unreliable, and did not violate the protocol (major protocol deviation) in a way that might invalidate or bias the PK results
Vaping could it leave marks as well
Kaminsky LA, German C, Imboden M, Ozemek C, Peterman JE, Brubaker PH
National Center for Health Statistics, part of the U.S
PMCID: PMC8287787
About 42 million adults more than 87 percent of the nations nearly 49 million tobacco product users reported using a combustible product such as cigarettes, cigars, or pipes (including hookahs and water pipes)