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Table 1 Demographics and ILA scores of the population

From: Interstitial lung abnormalities in patients with stage I non-small cell lung cancer are associated with shorter overall survival: the Boston lung cancer study

  

ILA score

  
  

0 or 1

(n = 209)

2

(n = 22)

Total

(n = 231)

P value

Age (years)

Median

[range]

67

[40–91]

72

[58–84]

69

[40–91]

0.03b

Sex

Male

81 (38.8)

12 (54.5)

93 (40.3)

0.17

Female

128 (61.2)

10 (45.5)

138 (59.7)

 

Smoking

Never

35 (16.7)

0 (0.0)

35 (15.2)

0.03c

Former

101 (48.3)

13 (59.1)

114 (49.4)

 

Current

73 (34.9)

9 (40.9)

82 (35.5)

 

Pack years

of smoking

Median

[range]

31.6

[0.0–138.1]

54.2

[5.9–144.6]

34.5

[0.0–144.6]

< 0.001b

Histology

Adeno

143 (68.4)

5 (22.7)

148 (64.1)

< 0.001c

Squamous

35 (16.7)

14 (63.6)

49 (21.2)

 

Othera

31 (14.8)

3 (13.6)

34 (14.7)

 

Treatment

Surgery

194 (92.8)

18 (81.8)

212 (91.8)

 

Chemotherapy

27 (12.9)

3 (7.3)

30 (13.0)

 

Radiation

5 (2.4)

4 (18.2)

9 (3.9)

 
  1. Continuous values were presented as median [range]
  2. Values for the number of patients are given as absolute number and percentage in parenthesis
  3. aIncludes large cell carcinoma, not otherwise specified, mixed tumors, and more than 1 primary tumors
  4. bSignificant differences between the two groups were calculated using Wilcoxon test
  5. cSignificant differences were calculated using Fisher’s exact test
  6. ILA interstitial lung abnormalities
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