Skip to main content

Table 2 Diagnostic yield according to each parameter

From: Virtual bronchoscopic navigation without X-ray fluoroscopy to diagnose peripheral pulmonary lesions: a randomized trial

 

VBNA

XRFA

P- value

Odds ratio

95% Confidence

interval

Total

50/65 (76.9)

55/64 (85.9)

0.258

1.8

0.7

4.6

 Forceps

48/65 (73.8)

54/64 (84.4)

0.142

1.9

0.8

4.6

 Brush

40/65 (61.5)

47/64 (73.4)

0.149

1.7

0.8

3.6

Lesion size

  ≤ 50 mm

36/49 (73.5)

46/55 (83.6)

0.236

1.8

0.7

4.8

  > 50 mm

14/16 (87.5)

9/9 (100)

0.400

1.1

1.0

1.4

Lobe

 Right upper

15/19 (78.9)

13/14 (92.9)

0.278

3.5

0.3

35.1

 Right middle

4/5 (80.0)

2/2 (100)

0.714

N/A

  

 Right lower

12/13 (92.3)

14/19 (73.7)

0.197

0.2

0.02

2.3

 Left upper

14/21 (66.7)

15/17 (88.2)

0.120

3.8

0.7

21.2

 Left lower

5/7 (71.4)

11/12 (91.7)

0.296

4.4

0.3

60.6

Frontal X-ray film

 Invisible

1/2 (50.0)

3/3 (100)

0.400

N/A

  

 Visible

49/63 (77.8)

52/61 (85.2)

0.357

1.7

0.7

4.2

Bronchus sign

 Absent

0/0 (0)

3/3 (100)

N/A

N/A

  

 Present

50/65 (76.9)

52/61 (85.2)

0.263

1.7

0.7

4.3

Location

 Central

5/7 (71.4)

3/4 (75.0)

0.721

1.2

0.07

19.6

 Intermediate

8/11 (72.7)

15/17 (88.2)

0.290

2.8

0.4

20.5

 Peripheral

37/47 (78.7)

37/43 (86.0)

0.418

1.7

0.5

5.1

EBUS

 Visualized

50/62 (80.6)

55/62 (88.7)

0.319

1.9

0.7

5.2

 Not visualized

0/3 (0)

0/2 (0)

    

Final diagnosis

 Primary lung cancer

43/56 (76.8)

53/60 (88.3)

0.140

2.3

0.8

6.2

 Metastatic lung tumor

2/3 (66.7)

1/2 (50.0)

0.700

0.5

0.01

19.6

 Benign

5/6 (83.3)

1/2 (50.0)

0.464

0.2

0.01

6.6

  1. Data are shown as numbers of lesions/total lesions (%)