Blood Harmane Concentrations in 497 Individuals Relative to Coffee, Cigarettes, and Food Consumption on the Morning of Testing

Table 3

Log blood harmane concentrations by categories of time lapse (hours) between food consumption and phlebotomy.

Time lapse (hours) between food consumption and phlebotomy	𝑁	Log blood harmane concentration (g^−10/ml)
≤1	31	0.20±0.42 [0.19]
>1 to 2	30	0.33±0.34 [0.38]
>2 to 3	31	0.40±0.53 [0.40]
>3 to 4	12	0.10±0.33 [0.06]
>4	5	0.26±0.38 [0.19]

Values are means ± standard deviation (median).