Table 1.

Results (percent) of 2-hr 7-OH-coumarin excretion in 150 Iranian volunteers.

Volunteers	Mean	SD	Minimum	Maximum	No. of volunteers
Male	65.01%	17.80%	0.79%	91.27%	96
Female	67.73%	14.46%	24.4%	91.34%	54
Total	65.99%	16.68%	0.79%	91.34%	150