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Table 1 Prevalence of RLs and patient characteristics

From: The relationship between right-to-left shunt and brain white matter lesions in Japanese patients with migraine: a single center study

Characteristics

Total (n = 107)

RLs positive, n (%)

57 (53.3)

PFO, n (%)

46 (43.0)

PFO or pulmonary arteriovenous malformations suspected, n (%)

11 (10.3)

Large shunt, n (%)

13 (12.1)

Age, median (range) years

39.0 (14–74)

Sex, male, n (%)

6 (5.6)

Aura, n (%)

59 (55.1)

Hypertension, n (%)

8 (7.5)

Diabetes mellitus, n (%)

3 (2.8)

Dyslipidemia, n (%)

11 (10.3)

Smoking, n (%)

7 (6.5)

Family history of migraine, n (%)

71 (66.4)

Photophobia, n (%)

81 (75.7)

Phonophobia, n (%)

79 (73.8)

Hypersensitivity to smell, n (%)

60 (56.1)

Altered taste, n (%)

11 (10.3)

Allodynia, n (%)

7 (6.5)

Onset age of migraine, median (range) years

18.0 (9–40)

  1. MA Migraine with aura, MWOA Migraine without aura, RLs Right to left shunts
  2. Chi-square test and Mann–Whitney U test