Table 6. Factors determining the biopsy-related complication rates and univariate regression analysis.
| Parameter | No complication (n=135) | Complication (n=61) | P |
|---|---|---|---|
| Sex | 0.407 | ||
| Female | 47 | 25 | |
| Male | 88 | 36 | |
| Age (years), mean [range] | 67.7 [31–92] | 67.9 [40–92] | 0.897 |
| Histology | 0.635 | ||
| Primary lung cancer | 121 | 56 | |
| Metastasis | 14 | 5 | |
| Emphysema | 38 | 22 | 0.267 |
| Tumor size (cm), mean [range] | 4.5 [1.1–12.9] | 3.4 [0.9–10.0] | 0.003 |
| CT findings of the tumor | |||
| Subsolid nodule | 26 | 13 | 0.739 |
| Presence of necrotic portion | 14 | 3 | 0.220 |
| Pleura-to-target distance (cm), mean [range] | 1.3 [0–7.9] | 1.8 [0–4.8] | 0.024 |
| Number of cores, mean [range] | 4.2 [1–9] | 3.5 [1–6] | 0.001 |
| Biopsy location | 0.904 | ||
| Upper lobes | 74 | 34 | |
| Middle and lower lobes | 61 | 27 | |
| Biopsy position | 0.214 | ||
| Supine | 61 | 29 | |
| Prone | 73 | 29 | |
| Others | 1 | 3 |