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Table 2 Progression and clinical outcomes of pyogenic liver abscess

From: Maximal diameter of liver abscess independently predicts prolonged hospitalization and poor prognosis in patients with pyogenic liver abscess

Characteristics Total (n = 648) Maximal size of abscess P value
< 5 cm (n = 293) 5 ~ 10 cm (n = 312) ≥ 10 cm (n = 43)
Complications
Rupture 18 (2.8) 6 (2.0) 8 (2.6) 4 (9.3) 0.025
 Hematoma 10 (1.5) 2 (0.7) 6 (1.9) 2 (4.7) 0.108
 Biloma 13 (2.0) 5 (1.7) 5 (1.6) 3 (7.0) 0.055
 Venous thrombosis 22 (7.5) 21 (6.7) 4 (9.3) 47 (7.3) 0.809
Extrahepatic manifestations
 Pulmonary edema 88 (13.6) 31 (10.6) 49 (15.7) 8 (18.6) 0.112
Pleural effusion 207 (31.9) 73 (24.9) 110 (35.3) 24 (55.8) < 0.001
Ascites 116 (17.9) 40 (13.7) 60 (19.2) 16 (37.2) 0.001
Invasive syndrome 13 (2.0) 6 (2.0) 4 (1.3) 3 (7.0) 0.044
Antibiotic treatment only 270 (41.7) 148 (50.5) 111 (35.6) 11 (25.6) < 0.001
Invasive procedure
Needle aspiration alone 12 (1.9) 12 (4.1) 0 (0.0) 0 (0.0) < 0.001
PCD insertion 366 (56.5) 133 (45.4) 201 (64.4) 32 (74.4) < 0.001
PCD insertion within 3 days 269 (41.5) 91 (31.1) 149 (47.8) 29 (67.4) 0.037
Multiple PCD drainage 78 (12.0) 28 (9.6) 36 (11.5) 14 (32.5) < 0.001
Salvage procedure 235 (36.3) 65 (22.2) 143 (45.8) 27 (62.8) < 0.001
Duration of drainage, days 12.6 ± 8.4 10.7 ± 5.5 12.1 ± 7.3 20.6 ± 14.3 < 0.001
Admission days, days 19.0 ± 12.1 17.4 ± 11.6 19.7 ± 11.3 24.0 ± 18.0 < 0.001
In-hospital expire 14 (2.2) 4 (1.4) 5 (1.6) 5 (11.6) < 0.001
  1. Data were expressed as number (percentage) or mean ± standard deviation. PCD Percutaneous catheter drainage; Salvage procedure includes aspiration, catheter adjustment, and salvage drainage
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