Table 1

Demographic data for the subject population

DemographicsNo. of subjectsPercentage of subjects
Race
 African American5337
 Caucasian8761
 Other32
Gender
 M6445
 F7955
Smoking history
 50+ pya107
 25+ py1510
 <25 py3625
 Nonsmoker7452
 Unknown86
Alcohol use
 Heavy use1712
  • a py, pack-years.