Table 1 Univariate analysis of categorical data using Fisher's exact test.
From: Systemic air embolism during percutaneous core needle biopsy of the lung: frequency and risk factors
| Â | Patients with air embolism | Patients without air embolism | Â | ||||
|---|---|---|---|---|---|---|---|
| Â | Factor present | Factor not present | % | Factor present | Factor not present | % | Significance FET |
Prone position | 19 | 4 | 82.6 | 269 | 318 | 45.8 | 0.0005 (s) |
Lobar location: Upper lobe, middle lobe or lingular segments | 10 | 13 | 43.5 | 391 | 196 | 66.6 | 0.0261 (s) |
Bleeding of any extent visible | 18 | 5 | 78.3 | 382 | 205 | 65.01 | 0.053 (ns) |
Intubation anesthesia | 17 | 6 | 74 | 308 | 279 | 52.5 | 0.0543 (ns) |
Mycosis present | 2 | 21 | 8.7 | 16 | 571 | 2.7 | 0.1443 (ns) |
Necrosis present within the lesion | 6 | 17 | 26.0 | 88 | 499 | 15 | 0.1467 (ns) |
Needle path through ventilated lung | 20 | 3 | 87 | 452 | 135 | 77 | 0.3203 (ns) |
Hemoptysis | 1 | 22 | 4.3 | 11 | 576 | 1.8 | 0.3722 (ns) |
Pneumothorax | 5 | 18 | 21.8 | 89 | 498 | 15.1 | 0.3784 (ns) |
Gender (female) | 8 | 15 | 34.8 | 244 | 343 | 41.6 | 0.6669 (ns) |
Fibrin glue line complete | 17 | 6 | 74 | 404 | 183 | 69 | 0.8185 (ns) |
Vasculitis present | 0 | 23 | 0 | 6 | 581 | 1.02 | 1 (ns) |