Skip to main content

Table 1 Demographic characteristics of the study population

From: A lung cancer risk classifier comprising genome maintenance genes measured in normal bronchial epithelial cells

 

Non-cancer ( n = 57) a

Cancer ( n = 58) a

p -value b

Age, yr

59.3 (±14.2)

64.4 (±9.5)

0.022

Gender

  

0.021

 Male

28

40

 

 Female

29

16

 

Smoking history

  

0.035

 Current

23

12

 

 Former

27

37

 

 Never

0

1

 

Pack-Years

43 (±28.7)

53 (±31.3)

0.072

Ethnicity

 White

45

46

 

 AA

9

4

 

 Other

1

1

 
  1. aMissing data: age (n = 2), gender (n = 2), smoking history (n = 15), ethnicity (n = 9). b p-values were calculated using a Student’s t-test for age and pack-years, and Fisher exact test for gender and smoking history. AA: African American.