Table 7– Multivariate analysis of the association between patient characteristics and infectious complications
IRR (95% CI)p-value
Bacterial colonisation
 No1.000.09
 Yes1.61 (0.93–2.82)
Sex
 Male1.000.25
 Female0.67 (0.33–1.33)
Disease stage
 I or II1.000.15
 III1.23 (0.56–2.69)
 IV1.91 (0.93–3.94)
Alcohol use
 No1.00
 Yes2.06 (1.02–4.14)0.04
  • IRR: incidence rate ratio. n=198.