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Table 1 Patient-Characteristics According to Diagnosed Pneumothorax on Chest X-ray 2-h Post-Lung Biopsy

From: The yield of immediate post lung biopsy CT in predicting iatrogenic pneumothorax

Characteristic

Negative CXR

PNX on CXR

Number of subjects

366 (81%)

87 (19%)

Age, years

70 ± 13

68 ± 13

Gender (Male)

198 (54%)

53 (61%)

History of Smoking

220 (60%)

42 (48%)

Pack Years

17 ± 30

25 ± 32

Emphysema Diagnosis

30 (8%)

8 (9%)

Lesion length, cm

2.9 ± 1.9

2.1 ± 1.4

Lesion width, cm

2.5 ± 2

1.8 ± 1.2

Distance from pleura, cm

1.7 ± 3.4

2.7 ± 1.8

Lesion Locus

 Upper Lobes

158 (43%)

43 (49%)

 Lower Lobes

209 (57%)

44 (51%)

Number of punctures performed

1.7 ± 0.6

1.5 ± 0.6

Patient Posture

 Prone

221 (60%)

54 (62%

 Supine

118 (32%)

21 (24%)

 Decubitus

27 (8%)

12 (14%)

Bleeding observed

236 (64%)

53 (60%)

Pathologic Diagnosis

 Non-Diagnostic

19 (5%)

7 (8%)

 Benign

131 (36%)

39 (45%)

 Malignant

217 (59%)

41 (47%)

  1. Data presented as mean ± SD or N (%). CXR- Chest X-ray; PNX- Pneumothorax