Table 2.

Tobacco biomarker prevalence and concentrations in meconium from 55 neonates born to women who smoked into the third trimester

	n	Median (ng/g)	Interquartile interval (ng/g)	Range (ng/g)
Nicotine	47	51.5	21.5–95.6	3.6–295
Cotinine	50	62.0	24.2–95.2	1.8–316
trans-3′-Hydroxycotinine	46	76.2	34.6–107	5.7–275