Fig. 1

Positive or inverse relationship between cancer and minerals in multiple logistic regression analysis (a iodine, b arsenic, c zinc, d selenium). The relationship between minerals and probability of cancer was obtained by logistic multiple regression analysis of data for 24 minerals from 124 cancer (open square) and 86 control (dots) subjects. The abscissa and ordinate express the logarithmic values of hair mineral (a iodine, b arsenic, c zinc, d selenium) level and probability of cancer, respectively. The blue and red marks show male and female subjects, respectively