Table 4 Selected studies reporting the risk of stroke in migraineurs

Buring [52]^{a, c}

40–84

M

2.0, 1.1–3.6

NR

NR

Carolei [53]^{a, d}

15–44

M, W

1.3, 0.7–2.4

8.6, 1.0–75

1.0, 0.5–2.0

Chang [54]^{a, c}

20–44

W

3.5, 1.3–9.6

3.8, 1.3–11.5

3.0, 0.7–13.5

Henrich [59]^{a, d}

15–65

M, W

1.8, 0.9–3.6

2.6, 1.1–6.6

1.3, 0.5–3.6

Kurth [60]^{a, c}

≥45

W

1.4, 1.0–1.9

1.7, 1.1–2.7

1.1, 0.7–1.8

MacClellan [62]^{a, c}

15–49

W

NR

1.5, 1.1–2.0

1.0, 0.6–1.5

Marini [63]^{a, d}

15–44

M, W

NR

14.8, 1.8–124

1.6, 0.9–3.0

Merikangas [64]^{b, c}

25–74

M, W

2.1, 1.5–2.9

NR

NR

Nightingale [67]^{a, c}

15–49

W

2.3, 1.0–5.2

NR

NR

Schwaag [68]^{a, d}

≤45

M, W

2.1, 1.2–3.8

NR

NR

Stang [70]^{a, c}

45–64

M, W

NR

2.7, 1.6–4.6

0.8, 0.4–1.5

Tzourio [71]^{a, d}

18–80

M, W

1.3, 0.8–2.3

1.3, 0.5–3.8

0.8, 0.4–1.5

Tzourio [72]^{a, c}

<45

W

3.5, 1.8–6.4

6.2, 2.1–18.0

3.0, 1.5–5.8