Table 5

Univariate and multivariate logistic regression analyses for Gram-negative bacteraemic patients to investigate the association between patient characteristics, blood culture isolates and recruitment to OPAT (332 patients, 377 bacteraemic patients)

 Univariate analysisMultivariate analysis
OR (95% CI)p Value*OR (95% CI)p Value*
Age (years)
 16–30Reference0.464Reference0.547
 31–501.56 (0.17 to 14.11)1.67 (0.17 to 16.42)
 51–701.03 (0.12 to 8.94)0.97 (0.10 to 9.12)
 >700.47 (0.05 to 4.77)0.53 (0.05 to 5.76)
Gender
 FemaleReference0.442Reference0.614
 Male0.67 (0.24 to 1.88)0.76 (0.25 to 2.25)
Specialty
 MedicineReference0.242Reference0.228
 Surgery0.30 (0.04 to 2.28)0.28 (0.03 to 2.23)
Site of infection
 Urinary tractReference0.341Reference
 Skin and soft tissue4.69 (0.49 to 44.82)5.94 (0.39 to 89.49)
 Other0.85 (0.29 to 2.49)0.73 (0.22 to 2.41)0.344
Escherichia coli
 NoReference0.987Reference0.756
 Yes1.01 (0.36 to 2.83)1.21 (0.37 to 3.95)
ESBL production
 NegativeReference0.001Reference0.002
 Positive6.15 (2.13 to 17.75)5.85 (1.94 to 17.62)
  • One patient with obstetrics and gynaecology specialty was excluded.

  • Generalised estimating equations were used to adjust for multiple episodes for some patients.

  • *Joint Wald test.

  • ESBL, extended-spectrum β-lactamase; OPAT, outpatient parenteral antibiotic treatment.