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Table 1 Baseline characteristics of surgery and radiation cohorts

From: Population-based analysis of curative therapies in stage II non-small cell lung cancer: the role of radiotherapy in medically inoperable patients

 

Surgery

n = 245

Curative RT

n = 132

Non-curative treatment

n = 158

p-value

p-value

Surg vs RT

Age

Median

67

73

78

< 0.001

< 0.001

(range)

43–86

35–94

55–93

  

Sex

Female

133 54%

61 46%

80 51%

0.322

0.135

Male

112 46%

71 54%

78 49%

  

Histology

Adenocarcinoma

138 56%

34 26%

20 13%

< 0.001

< 0.001

Squamous

76 31%

42 32%

56 35%

  

NOS/other

31 13%

56 42%

82 52%

  

ECOG

0–1

173 71%

87 66%

59 37%

< 0.001

0.614

performance

≥2

61 25%

39 30%

94 60%

  

status

Unknown

11 5%

6 5%

5 3%

  

Weight loss

< 5% body weight

5–10%

145 59%

39 16%

73 55%

16 12%

61 39%

25 16%

0.001

0.122

> 10%

20 8%

21 16%

28 18%

  

Unknown

41 17%

22 17%

44 28%

  

Smoking

Never

20 8%

3 2%

11 7%

0.046

0.053

Former

113 46%

74 56%

74 47%

  

Current

109 45%

52 39%

65 41%

  

Unknown

3 1%

3 2%

8 5%

  
  1. Values are presented as n (%) unless otherwise indicated
  2. RT radiation, ECOG Eastern Cooperative Oncology Group
  3. Never smokers: less than 100 cigarettes over lifespan; former smokers: quit greater than 1 year ago; current smokers: actively smoking or quit less than 1 year ago