Table 1: Clinical and demographic patient characteristics.

TotalNormal*AKSCCBCCP value

Gender**
 Male462141425 0.77***
 Female44022
Race
 White4924415270.57***
 African American11010
Age
 <6017131770.44***
 60–70147139
 >701952611
Skin site
 Nose1462280.71***


 Cheeks147086
 Ear95115
 Scalp and forehead135155
 Other74023

*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.