Table 3.

Benzoylecgonine excretion over time for Patient 3

Patient 3	day 0	day 3	day 5	day 10	day 17
value (ng/ g creatinine)	12707	132	46	9	4
% difference from previous	—	0.01	0.35	0.2	0.44
# of half‐lives	—	6.6	1.6	2.4	1.2
number of hours between	—	72	48	120	168
half‐life (hrs)	—	11	30	50	140