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. Author manuscript; available in PMC: 2015 Feb 23.
Published in final edited form as: Infant Behav Dev. 1999;22(1):1–15. doi: 10.1016/S0163-6383(99)80002-2

Table 3.

Meconium Metabolites by Group

Light
(n = 36)
Mean ± SD Range
Heavy
(n = 63)
Mean ± SD Range
Nanograms/gram Cocaine 1.9 ± 9 (0–51) 226.2 ± 453 (0–2271)
Nanograms/gram Benzoylecgonine 16.3 ± 38 (0–152) 853.9 ± 1377 (0–7088)
Nanograms/gram m-OH-benzoylecgonine 10 ± 21 (0–91) 564 ± 1782 (0–9998)