Table 1.

Prevalence of dentinogenesis imperfecta type II (DGI-II) in all Swedish counties (n = 21)

County	No. of individuals with DGI-II	No. of individuals born 1996–2015	Prevalence (%)	No. of individuals per 100,000, 95% CI
Norrbotten	1	47,862	0.00209	2.09 (0.23–9.77)
Västerbotten	1	54,668	0.00183	1.83 (0.20–8.55)
Jämtland	0	24,748	0	0 (0–10.2)
Västernorrland	0	47,993	0	0 (0–5.23)
Dalarna	0	54,373	0	0 (0–4.62)
Gävleborg	0	53,872	0	0 (0–4.66)
Värmland	4	50,841	0.00787	7.87 (2.66–18.7)
Örebro	2	62,860	0.00318	3.18 (0.66–10.2)
Västmanland	3	51,668	0.00581	5.81 (1.64–15.5)
Uppsala	2	76,501	0.00261	2.61 (0.54–8.39)
Stockholm	16	493,290	0.00324	3.24 (1.93–5.14)
Södermanland	0	54,186	0	0 (0–4.64)
Västra Götaland	7	346,424	0.00202	2.02 (0.90–3.97)
Östergötland	2	91,357	0.00219	2.19 (0.45–7.02)
Jönköping	2	74,592	0.00268	2.68 (0.56–8.6)
Kalmar	0	43,845	0	0 (0–5.73)
Gotland	1	10,948	0.00913	9.13 (0.99–42.7)
Halland	0	66,827	0	0 (0–3.76)
Kronoberg	0	37,391	0	0 (0–6.72)
Skåne	3	268,070	0.00112	1.12 (0.322–2.99)
Blekinge	0	29,408	0	0 (0–8.54)