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Table 1 Comparison of the patients’ clinical characteristics

From: Differential diagnosis of benign and malignant patchy ground-glass opacity by thin-section computed tomography

Clinical features

Patients with malignant GGOs (n = 139)

Patients with benign GGOs (n = 87)

P Value

Age (years)

61.5 ± 9.5

52.6 ± 12.7

<  0.001

Gender

 Female

83 (59.7)

37 (42.5)

0.012

 Male

56 (40.3)

50 (57.5)

 

Smoking history

 Yes

42 (30.2)

27 (31.0)

0.897

 No

97 (69.8)

60 (69.0)

 

History of malignant tumor

 Yes

9 (6.5)

17 (19.5)

0.003

 No

130 (93.5)

70 (80.5)

 

Family history of lung cancer

 Yes

11 (7.9)

1 (1.1)

0.057

 No

128 (92.1)

86 (98.9)

 

Respiratory symptoms

 Yes

34 (24.5)

14 (16.1)

0.134

 No

105 (75.5)

73 (83.9)

 
  1. Data are expressed as number (percentage) or mean ± standard deviation
  2. GGOs ground-glass opacities