Table 1: Clinical and demographic patient characteristics.

TotalNormal*AKSCCBCCP value

 Male462141425 0.77***
 African American11010
Skin site

 Scalp and forehead135155

*Normal skin samples were surgically obtained from uninvolved adjacent skin in patients undergoing resection for skin cancer.
**Some patients had more than one type of cancer and are counted in both groups.
***No significant difference in number of males and females, race, age, or skin site distribution per group by Fisher’s exact test.