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Table 2 Distribution of headache intensity and frequency, according to the number of cranial autonomic symptoms

From: Cranial autonomic symptoms in episodic and chronic migraine: a cross sectional study in Iran

Characteristic

CAS

P value

No cas

1

> 1

Headache intensity, median (IQR)

8 (6–9)

8 (6–9)

8 (7–10)

< 0.001

Headache frequency, median (IQR)

8 (4–15)

10 (5–15.25)

12 (6–20)

< 0.001