Table 1. Lesion- and procedure- variables as risk factors for complications of CT-guided lung biopsy (n = 311).
| Risk factor | Descriptive |
|---|---|
| Lesion size (cm) | 3.1(2.8–3.3) |
| Lesion lobar location | |
| Right upper | 59(19%) |
| Right lower | 88(28%) |
| Right middle | 24(8%) |
| Left upper | 79(25%) |
| Left lower | 61(20%) |
| Lesion morphologic characteristic | |
| Solid | 244(79%) |
| Subsolid | 48(15%) |
| Consolidative | 10(3.2%) |
| Cavitary | 9(2.8%) |
| Lesion-to-pleura distance (cm) | 1.7(1.5–1.9) |
| Lesion histopathology* | |
| Malignant | 207(67%) |
| Benign | 65(21%) |
| Infection | 20(6%) |
| Non-diagnostic | 15(5%) |
| Patient position | |
| Supine | 129(42%) |
| Prone | 156(50%) |
| Lateral | 26(8%) |
| Thoracic wall thickness (cm) | 4.0(3.8–4.1) |
| Procedure time length (min) | 16.0(15.3–16.8) |
| Number of procedural CT images | 32.3(30.3–34.4) |
| Fissure puncture | 14(5%) |
| Needle-to-blood vessel angle | |
| No angle | 299(96%) |
| Angle ≤90° | 12(4%) |
Continuous parameters are displayed as mean (95% confidence interval CI). Ordinal and nominal parameters are displayed in absolute frequency (%).
*Missing histopathology data in 4 cases (1%).