Increasing incidence and antimicrobial resistance in Escherichia coli bloodstream infections: a multinational population-based cohort study

Table 2 Results for contrasts examining interactions between sex and age based on multivariable negative binomial regression model^a

Contrast statement	IRR	95% CI	p-value
Females ≥ 70 compared to females < 70	9.37	8.63–10.19	< 0.001
Males ≥ 70 compared to females < 70	9.61	8.83–10.45	< 0.001
Females ≥ 70 compared to males < 70	12.72	11.68–13.86	< 0.001
Males ≥ 70 compared to males < 70	13.04	11.96–14.22	< 0.001
Females ≥ 70 compared to males ≥ 70	0.98	0.90–1.06	0.558
Females < 70 compared to males < 70	1.36	1.24–1.48	< 0.001

IRR Incidence rate ratio; CI Confidence interval
^aMultivariable negative binomial regression model estimating the associations between the explanatory variables (region, sex, and age) and E. coli bloodstream infection incidence rate (Table 1)

ISSN: 2047-2994