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Table 4 Univariate regression analysis of risk factors for pneumothorax rates, chest tube placement, and hospital admission

From: Does Gelfoam slurry embolization post-pulmonary biopsy reduce risk of pneumothorax? A prospective randomized control study

 

Pneumothorax

Chest tube insertion

Hospital admission

OR (95% CI)

p value

OR (95% CI)

p value

OR (95% CI)

p value

Group

0.786 (0.38–1.6)

0.508

0.325 (0.10–0.97)

0.044

0.189 (0.05–0.7)

0.012

Age (years)

1.008 (0.97–1.04)

0.618

0.998 (0.95–1.04)

0.938

0.999 (0.95–1.05)

0.966

Sex (male/female)

1.483 (0.65–3.34)

0.342

0.897 (0.27–2.93)

0.857

1.069 (0.32–3.57)

0.914

Tobacco (no/yes)

0.939 (0.46–1.91)

0.862

0.905 (0.33–2.43)

0.843

1.613 (0.52–4.71)

0.382

Lesion size (mass/nodule)

0.789 (0.31–1.96)

0.61

0.76 (0.20–2.83)

0.683

0.527 (0.11–2.47)

0.417

Lesion location (peripheral/central)

1.406 (0.68–2.89)

0.355

1.81 (0.63–5.13)

0.265

4.194 (1.13–15.46)

0.031

Pre-procedural PTX (no/yes)

2.116 (0.28–15.5)

0.461

2.294 (0.22–23.33)

0.483

8.571 (1.12–65.70)

0.039

Difficult portioning (no/yes)

1.612 (0.65–3.98)

0.3

1.429 (0.42–4.79)

0.564

3.467 (1.12–10.27)

0.031

Encase bronchus (no/yes)

0.792 (0.37–1.67)

0.54

0.833 (0.29–2.37)

0.733

1.837 (0.64–5.24)

0.255

Encase vessel (no/yes)

1.214 (0.57–2.54)

0.608

1.226 (0.44–3.4)

0.695

2.05 (0.71–5.86)

0.18

Cavitating (no/yes)

1.536 (0.45–5.14)

0.486

1.375 (0.27–6.85)

0.698

2.897 (0.69–12.07)

0.144

Para-cardiac invasion (no/yes)

1.515 (0.656–3.5)

0.331

2.684 (0.93–7.67)

0.066

4.545 (1.54–13.43)

0.006

Para-aortic (no/yes)

0.807 (0.33–1.93)

0.63

1.391 (0.45–4.25)

0.564

1.173 (0.35–3.93)

0.796

Trans-fissure (no/yes)

1.113 (0.46–2.64)

0.809

1.538 (0.5–4.73)

0.453

2.583 (0.85–7.83)

0.094

Lesion position rib or diaphragm

0.512 (0.23–1.13)

0.1

0.208 (0.04–0.95)

0.043

0.244 (0.053–1.13)

0.07

ILD emphysema (no/yes)

0.642 (0.30–1.33)

0.236

1.082 (0.39–2.93)

0.876

1.392 (0.49–3.95)

0.534

Asthma (no/yes)

0.974 (0.40–2.6)

0.953

1.622 (0.52–5.00)

0.4

1.957 (0.62–6.18)

0.253

Number of coaxial passes > 1

2.656 (0.94–7.43)

0.063

2.352 (0.67–8.22)

0.18

1.78 (0.45–7.03)

0.41

Coaxial path (cm)

0.921 (0.76–1.11)

0.403

1.039 (0.81–1.31)

0.752

1.051 (0.82–1.34)

0.688

Needle pleural angle > 70

2.859 (1.37–5.95)

0.005

3.106 (1.09–8.34)

0.034

1.851 (0.65–5.29

0.251

Patient position (VS supine)

   

Prone

0.83 (0.40–1.71)

0.615

0.758 (0.27–2.10)

0.595

0.451 (0.14–1.43)

0.176

Lateral

0.253 (0.02–2.19)

0.213

0.825 (0.09–7.53)

0.865

1.926 (0.334–11.08)

0.463

Location (vs. LLL)

 

LUL

1.518 (0.554.16)

0.417

1.741 (0.41–7.39)

0.452

3.562 (0.72–17.56)

0.119