Table 4.
Bleeding rate in relation to needle diameter, technique and localization (focal lesion, parenchyma)
| Localization | Biopsies (n) | Technique (Ø in mm) | Major BR in % (n) | Minor BR in % (n) | Total BR in % (n) | p |
|---|---|---|---|---|---|---|
| Parenchyma |
1,011 |
All techniques |
0.4 (4) |
0.3 (3) |
0.7 (7) |
0.3775* |
| Focal lesion |
1,218 |
All techniques |
0.3 (4) |
0.7 (9) |
1.1 (13) |
|
| |
|
|
|
|
|
|
| Parenchyma |
717 |
ABM (1.4) |
0.0 (0) |
0.3 (2) |
0.3 (2) |
0.0255* |
| Parenchyma |
279 |
CB (1.2) |
0.4 (1) |
1.4 (4) |
1.8 (5) |
|
| |
|
|
|
|
|
|
| Parenchyma |
279 |
CB (1.2) |
0.4 (1) |
1.4 (4) |
1.8 (5) |
0.5214* |
| Focal lesion |
148 |
CB (1.2) |
0.0 (0) |
3.4 (5) |
3.4 (5) |
|
| |
|
|
|
|
|
|
| Focal lesion |
148 |
CB (1.2) |
0.0 (0) |
3.4 (5) |
3.4 (5) |
<0.0001** |
| Focal lesion |
585 |
FNAC (0.7) |
0.0 (0) |
0.0 (0) |
0.0 (0) |
|
| |
|
|
|
|
|
|
| Focal lesion |
585 |
FNAC (0.7) |
0.0 (0) |
0.0 (0) |
0.0 (0) |
<0.0001** |
| Focal lesion | 368 | CB & FNAC (1.2 & 0.7) | 1.1 (4) | 1.1 (4) | 2.7 (8) |
* Bivariate logistic regression, statistically significant values in bold type.
** Fisher’s exact test von Fisher, statistically significant values in bold type.
ABM Aspiration biopsy (Menghini technique), BR Bleeding rate, FNAC Fine needle aspiration cytology, CB Cutting biopsy.