Table 2.

One-year prevalence per 100,000 with 95% CI of cluster headache, paroxysmal hemikrania, hemicrania continua and SUNCT/SUNA separated by gender and health regions in Norway

Gender and region of Norway	Cluster headache	Paroxysmal hemicrania	Hemicrania continua	SUNCT/SUNA
Both gender	14.6 (13.5–15.8)	1.4 (1.0–1.8)	2.2 (1.8–2.7)	1.2 (0.8–1.4)
Men	13.1 (11.6–14.7)	0.5 (0.3–0.9)	1.2 (0.8–1.8)	0.7 (0.4–1.2)
Women	16.1 (14.5–17.9)	2.2 (1.7–3.0)	3.3 (2.6–4.1)	1.3 (0.9–2.0)
Women/Men ratio	1.2	4.4	2.8	1.9
Northern Norway	19.3 (15.3–24.2)	0.8 (0.2–2.4)	4.5 (2.8–7.3)	2.3 (1.1–4.4)
Middle of Norway	14.8 (11.9–18.3)	2.7 (1.6–4.6)	3.3 (2.0–5.2)	1.4 (0.6–2.8)
West coast	12.2 (10.1–14.8)	2.0 (1.2–3.2)	1.6 (1.0–2.8)	0.7 (0.3–1.5)
Eastern Norway	14.7 (13.2–16.3)	0.5 (0.1–1.4)	1.9 (1.4–2.5)	0.9 (0.6–1.4)
North/East Ratio	1.3	1.6	2.4	2.6