Table 2.

Results (percent) of 4-hr 7-OH-coumarin excretion in 150 Iranian volunteers.

Volunteers	Mean	SD	Minimum	Maximum	No. of volunteers
Male	88.93%	8.38%	39.78%	97.53%	96
Female	89.35%	8.59%	46.32%	98.49%	54
Total	89.08%	8.43%	39.78%	98.49%	150