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Table 5 Multivariable logistic regression analysis to identify factors for benign nodules are diagnosed as malignant nodules

From: Factors associated with overdiagnosis of benign pulmonary nodules as malignancy: a retrospective cohort study

 

All(n = 160)

Bivariate Analysis

Multivariable Analysis

Variable

Same (n = 80)

Higher(n = 80)

Odds Ratioa

P Value

Odds Ratioa

P Value

Sex

 Male

28(35)

34(42.5)

1 (reference)

   

 Female

52(65)

46(57.5)

1.37(0.73–2.60)

.331

  

Smoking history

 no

60(75)

57(71.3)

1 (reference)

   

 yes

20(25)

23(28.7)

1.21(0.60–2.44)

.593

  

Family history of cancer

 no

13(16.3)

7(8.8)

1 (reference)

   

 yes

67(83.8)

73(91.3)

0.49(0.19–1.31)

.157

  

Lesion type

 Solid nodules

67(83.8)

51(63.8)

1 (reference)

   

 Part-solid nodules

3(3.8)

19(23.8)

4.38(1.15–16.73)

.031

2.17(0.34–13.74)

.412

 Non-solid nodules

10(12.5)

10(12.5)

2.50(1.07–5.83)

.034

9.41(1.93–45.91)

.006

 Median lesion size at imaging (mm)

7b(6–9)

9†(8–12)

1.42(1.23–1.63)

 < .001

20.42(2.35–177.79)

.006

Location

 Left upper lobe

16(20)

12(15)

1 (reference)

   

 Left lower lobe

14(17.5)

14(17.5)

1.33(0.47–3.82)

.592

  

 Right upper lobe

21(26.3)

32(40)

2.03(0.80–5.15)

.135

  

 Right middle lobe

7(8.8)

5(6.3)

0.95(0.24–3.75)

.944

  

 Right lower lobe

20(25)

17(21.3)

1.13(0.42–3.05)

.804

  

 Subpleural

2(2.5)

0(0)

0

.999

  

Imaging finding

 Spiculation

 No

62(77.5)

14(17.5)

1 (reference)

   

 yes

18(22.5)

66(82.5)

16.24(7.45–35.41)

 < .001

3.24(0.93–11.62)

.064

Pleural retraction

 No

61(76.3)

43(53.8)

1 (reference)

   

 yes

19(23.8)

37(46.3)

2.76(1.40–5.44)

.003

4.23(1.07–16.74)

.040

Vascular convergence

 No

59(73.8)

8(10)

1 (reference)

   

 yes

21(26.3)

72(90)

25.29(10.45–61.21)

 < .001

6.64(1.84–23.97)

.004

Vacuolar sign

 No

70(87.5)

31(38.8)

1 (reference)

   

 yes

10(12.5)

49(61.3)

11.07(4.97–24.65)

 < .001

1.59 (0.39–6.47)

.520

Biomarker positivec

 CEA status

  Negative

46(79.3)

50(84.7)

1 (reference)

   

  Positive

12(20.7)

9(15.3)

0.69(0.27–1.79)

.445

  

NSE status

 Negative

42(79.2)

50(98)

1 (reference)

   

 Positive

11(20.8)

1(2)

0.12(0.02–0.69)

.018

0.19(0.02–1.96)

.162

CYFRA21-1 status

 Negative

39(72.2)

34(57.6)

1 (reference)

   

 Positive

15(27.8)

25(42.4)

1.87(0.86–4.06)

.116

  

SCC status

 Negative

57(98.3)

56(94.9)

1 (reference)

   

 Positive

1(1.7)

3(5.1)

3.05(0.31–30.25)

.340

  
  1. Unless otherwise noted, variables are expressed as numbers of patients with percentages in parentheses, or as medians, with interquartile ranges in parentheses. CEA Carcinoma Embryonic Antigen, NSE Neuron Specific Enolase, CYFRA21-1 Cytokeratin 19 fragment, SCC Squamous Cell Carcinoma Antigen
  2. aData in parentheses are 95% CIs
  3. bData are median millimeters; data in parentheses are interquartile range
  4. cThe number of patients for whom histopathological data were available for each molecular marker is given