Table 2.

Incidence and cases of GBS invasive disease in selected age groups in Denmark in 2019 (N = 202)

EOGBS in Denmark, 2019
	Newborn population	Invasive GBS cases	Incidence per 1000
Total	61,167	17	0.28 (95% CI: 0.15–0.41)
Female	29,648	6	0.20 (95% CI: 0.04–0.36)
Male	31,519	11	0.35 (95% CI: 0.14–0.55)
LOGBS in Denmark, 2019
	Newborn population	Invasive GBS cases	Incidence per 1000
Total	61,167	9	0.15 (95% CI: 0.05–0.24)
Female	29,648	3	0.10 (95% CI: − 0.01–0.22)
Male	31,519	6	0.19 (95% CI: 0.04–0.34)
Age group 18–19 years
	Overall population	Invasive GBS cases	Incidence per 100,000
Total	141,501	0	0
Male	72,392	0	0
Female	69,109	0	0
Age group 20–30 years
	Overall population	Invasive GBS cases	Incidence per 100,000
Total	857,817	6	0.70 (95% CI: 0.14–1.26)
Male	437,846	2	0.46 (95% CI: –0.18–1.09)
Female	419,971	4	0.95 (95% CI: 0.02–1.89)
Age group 31–44
	Overall population	Invasive GBS cases	Incidence per 100,000
Total	1,057,289	16	1.51 (95% CI: 0.77–2.25)
Male	533,639	3	0.56 (95% CI: –0.07–1.20)
Female	523,650	13	2.48 (95% CI: 1.13–3.83)
Total incidence, 2019, all age groups
	Overall population	Invasive GBS cases	Incidence per 100,000
Total	5,806,081	202	3.48 (95% CI: 3.00–3.96)
Female	2,917,008	94	3.22 (95% CI: 2.57–3.87)
Male	2,889,073	108	3.74 (95% CI: 3.03–4.44)

EOGBS early-onset disease. LOGBS late-onset disease. CI Confidence interval