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Table 4 Factors associated with prolonged hospital stay (≥ 21 days)

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

  Univariate analysis Multivariate analysis
P value OR Lower CI Upper CI P value OR Lower CI Upper CI
Age ≥ 65 years, vs < 65 0.208 1.24 0.89 1.72     
Male sex 0.023 0.68 0.49 0.95 0.762 0.912 0.501 1.659
Malignancy 0.006 1.88 1.19 2.96 0.139 1.784 0.829 3.835
Biliary disease 0.884 1.03 0.71 1.49     
DM 0.005 1.67 1.17 2.38 0.019 2.018 1.120 3.634
HTN 0.032 1.45 1.03 2.05 0.478 1.234 0.690 2.207
Significant alcohol consumption 0.667 0.88 0.49 1.55     
Decreased mentality at admission 0.993 1.00 0.31 2.95     
Shock at admission 0.285 1.51 0.70 3.19     
WBC ≥ 12,000 /mm3, at baseline 0.129 1.29 0.93 1.80     
Hb < 10 mg/dL, at baseline 0.196 1.35 0.85 2.11     
Na < 130 mmol/L, at baseline 0.534 1.16 0.72 1.85     
ALT ≥ 200 IU/L, at baseline 0.012 2.23 1.20 4.19 0.459 1.493 0.517 4.315
Albumin < 3 g/dL 0.002 1.875 1.253 2.805 0.048 2.009 1.007 4.009
hs-CRP ≥ 200 mg/L, at baseline < 0.001 1.91 1.35 2.70 0.024 2.008 1.094 3.684
PCT ≥ 5 ng/mL, at baseline 0.009 1.99 1.19 3.34 0.041 1.946 1.029 3.680
Non-single abscess lesion 0.134 1.33 0.91 1.92     
Maximal abscess diameter (< 5 cm, 5 ~ 10 cm, ≥10 cm) < 0.001 1.84 1.40 2.44 0.007 1.962 1.206 3.191
PCD insertion during admission < 0.001 1.82 1.30 2.56 0.093 1.835 0.903 3.732
PCD insertion within 3 days of admission 0.114 0.68 0.43 1.10     
Culture positive (blood or pus) 0.001 1.75 1.26 2.44 0.310 1.355 0.754 2.437
Klebsiella pneumoniae isolation 0.068 1.364 0.978 1.902     
SIRS criteria at admission 0.065 1.16 0.99 1.36     
qSOFA score ≥ 2 at admission 0.756 1.22 0.31 4.33     
AKI at admission 0.011 1.760 1.141 2.714 0.363 0.708 0.337 1.490
  1. DM Diabetes mellitus, HTN Hypertension, WBC White blood cells, Hb Hemoglobin, Na Sodium, ALT Alanine aminotransferase, hs-CRP High sensitivity C-reactive protein, PCT Procalcitonin, PCD Percutaneous catheter drainage, SIRS Systemic inflammatory response syndrome, qSOFA Quick sepsis-related organ failure assessment, AKI Acute kidney injury, OR Odd ratio, CI Confidence interval
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