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Table 2 The distribution of patients in the five categories of migraine time of onset

From: Circadian rhythms of migraine attacks in episodic and chronic patients: a cross sectional study in a headache center population

 

MO

MO + MA

CM

total

Time of migraine onset

MORNING

n

48

9

23

80

%

8.9%

17.3%

11.9%

10.2%

AFTERNOON

n

37

5

13

55

%

6.9%

9.6%

6.7%

7.0%

EVENING

n

6

1

3

10

%

1.1%

1.9%

1.5%

1.3%

NIGHT

n

136

5

51

192

%

25.2%

9.6%

26.3%

24.4%

ANY TIME

n

312

32

104

449

%

57.9%

61.5%

53.6%

57.1%

  1. Subsets of diagnosis were not different from each other at level 0, 05. The “any time” group included the most of patients. Chi Square test: 24, 64; DF 8; p 0.02