Table 5 The incidence of pneumothorax and chest drainage after transthoracic lung biopsy by relevant covariates using logistic regression for panel data

Covariates

n (%)

OR

95% CI

p

OR

95% CI

p

DLCO (ml/min/kPa)

 ≥ 6.53

236 (33%)

1

1

 4.71–6.52

238 (34%)

1.40

0.91–2.17

0.127

1.65

0.74–3.66

0.219

 ≤ 4.70

236 (33%)

1.71

1.02–2.85

0.040

6.91

2.96–16.16

< 0.001

FEV1 (litres)

 ≤ 1.68

229 (32%)

1

1

 1.69–2.38

238 (34%)

0.89

0.59–1.33

0.569

0.96

0.51–1.81

0.909

 ≥ 2.39

243 (34%)

1.01

0.63–1.63

0.962

1.96

0.90–4.23

0.088

RV (litres)

 ≤ 1.90

241 (34%)

1

1

 1.91–2.43

232 (33%)

0.96

0.65–1.41

0.829

1.11

0.59–2.07

0.746

 ≥ 2.44

237 (33%)

1.09

0.74–1.61

0.672

1.48

0.80–2.76

0.214

Age

 ≤ 69.99

400

1

1

 ≥ 70

310

0.93

0.67–1.30

0.668

0.57

0.33–0.98

0.041

Sex

 Male

340

1

1

 Female

370

1.00

0.73–1.36

0.997

1.01

0.62–1.66

0.964