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Table 4 Bleeding rate in relation to needle diameter, technique and localization (focal lesion, parenchyma)

From: Percutaneous ultrasonographically guided liver punctures: an analysis of 1961 patients over a period of ten years

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)
  1. * Bivariate logistic regression, statistically significant values in bold type.
  2. ** Fisher’s exact test von Fisher, statistically significant values in bold type.
  3. ABM Aspiration biopsy (Menghini technique), BR Bleeding rate, FNAC Fine needle aspiration cytology, CB Cutting biopsy.