Skip to main content

Table 3 Lesion concordance rates between low-dose CT screening versus a follow-up standard diagnostic CT

From: Low-dose CT scan screening for lung cancer: comparison of images and radiation doses between low-dose CT and follow-up standard diagnostic CT

 

Observers

  

Category

A

B

C

D

E

Average with lesion

Statistically significant difference

Size of nodule (mm)

100%

100%

100%

100%

100%

100%

p < 0.001

Pattern

92%

84%

78%

73%

84%

82%

p < 0.001

Calcification

100%

100%

100%

100%

95%

99%

p < 0.001

Boundary

95%

95%

76%

95%

84%

89%

p < 0.001

Shape

81%

97%

95%

95%

86%

91%

p < 0.001

Margin

89%

89%

92%

89%

95%

91%

p < 0.001

Spiculation

84%

95%

97%

76%

97%

90%

p < 0.001

Glomerulus

97%

95%

100%

92%

84%

94%

p < 0.001

Indrawn pleura sign

92%

84%

95%

73%

89%

87%

p < 0.001

Air bronchogram

86%

73%

84%

100%

70%

83%

p < 0.001

Final diagnosis

97%

97%

95%

84%

95%

94%

p < 0.001