Table 3.

Summary statistics for biomarkers concentrations (creatinine-adjusted) by group

Urinary Biomarker (creatinine-adjusted)Menthol (n = 54)Non-Menthol (n = 58)
Nicotine - glucuronide (μg/mg creatinine)0.5 (0.2, 0.8)0.7 (0.4, 1.2)
Cotinine - glucuronide (μg/mg creatinine)2.2 (0.1, 3.3)3.8 (2.0, 6.6)
trans -3′- hydroxycotinine-glucuronide (μg/mg creatinine)1.9 (0.8, 3.3)2.3 (1.2, 4.2)