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. 2014 Sep 10;17(3):195–201. doi: 10.1111/hpb.12332

Table 2.

Characteristics of studies comparing the outcomes of percutaneous needle aspiration (PNA) and percutaneous catheter drainage (PCD) in the management of liver abscess

Authors Year of study Type of abscess included Size of abscess included Participants (PNA/PCD) Initial i.v. antibiotic treatment Risk for bias
Rajak et al.17 1998 ALA and PLA All sizes 50 (25/25) Cloxacillin, gentamicin, metronidazole High
Yu et al.18 2004 PLA only All sizes 64 (32/32) Ampicillin, cefuroxime, metronidazole Low
Zerem & Hadzic19 2007 PLA only All sizes 60 (30/30) Cefazolin, gentamicin High
Singh et al.20 2009 ALA and PLA ≥ 10 cm 72 (36/36) Ceftriaxone, gentamicin, metronidazole High
Singh et al.21 2013 ALA and PLA All sizes 60 (30/30) Cefazolin, gentamicin, metronidazole High

ALA, amoebic liver abscess; PLA, pyogenic liver abscess.