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

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