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Table 2 Multinomial logistic regression analysis

From: Morphological factors differentiating between early lung adenocarcinomas appearing as pure ground-glass nodules measuring ≤10 mm on thin-section computed tomography

Pathology

Variable

 

β

PValue

Odds ratio (OR)

95% CI for OR

The reference group is AAH

AIS

Maximum diameter

(X1)

4.174

0.005

65

3.594-1173.709

 

Interface (coarse)

(X3 = 0)

1.328

0.01

3.8

1.376-10.351

 

Interface (smooth)

(X3 = 1)

0

   

MIA

Maximum diameter

(X1)

5.466

0.001

236

10.421-5364.593

 

Mean CT value

(X2)

0.006

0.01

1.0

1.001-1.010

 

Interface (coarse)

(X3 = 0)

1.651

0.002

5.2

1.807-15.034

 

Interface (smooth)

(X3 = 1)

0

   
 

Air bronchogram (yes)

(X4 = 0)

1.708

0.04

5.5

1.099-27.694

 

Air bronchogram (no)

(X4 = 1)

0

   

The reference group is AIS

AAH

Maximum diameter

(X1)

−4.174

0.005

0.02

0.001-0.278

 

Interface (coarse)

(X3 = 0)

−1.328

0.01

0.3

0.097-0.726

 

Interface (smooth)

(X3 = 1)

0

   

MIA

Mean CT value

(X2)

0.004

0.006

1.0

1.001-1.008

The reference group is MIA

AAH

Maximum diameter

(X1)

−5.466

0.001

0.004

0.000-0.096

 

Mean CT value

(X2)

−0.006

0.01

1.0

0.990-0.999

 

Interface (coarse)

(X3 = 0)

−1.651

0.002

0.2

0.067-0.553

 

Interface (smooth)

(X3 = 1)

0

  

0.036-0.910

 

Air bronchogram (yes)

(X4 = 0)

−1.708

0.04

0.2

0.036-0.910

 

Air bronchogram (no)

(X4 = 1)

0

   

AIS

Mean CT value

(X2)

−0.004

0.006

1.0

0.992-0.999

  1. P <0.05 was considered significant. Only variables with significant differences are listed.