Table 3.

Number of chemicals in NTP rat bioassays^a inducing tumors in both genders, but statistically significantly more in one gender^b.

Fraction and percentagec of gender specific carcinogens
Target organ/tissue	Male		Female
Liver	4/63	6%	3/63	5%
Lung	3/24	13%	1/24	4%
Adrenal gland	1/31	3%	–	–

^astatistically significant difference between genders in respective organ.

^b477 rat bioassays were analyzed (http://ntp.niehs.nih.gov/).

^cthe first column gives the fraction of chemicals giving more tumors in respective gender/total number of chemicals inducing tumors at the same site. The second column gives the %.