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Table 4 The relationship between experiencing headache during menstruation and MIDAS grade

From: Impact of sex hormonal changes on tension-type headache and migraine: a cross-sectional population-based survey in 2,600 women

 

Migraine presence of menstrual headache

TTH presence of menstrual headache

Migraine + TTH presence of menstrual headache

Yes

No

Yes

No

Yes

No

n

498

224

130

103

642

343

Median MIDAS grade

1*

1

1

1

1**

1

IQR

2

1

0

0

1

0

  1. The interquartile range (IQR) is a measure of statistical dispersion in descriptive statistics, being equal to the difference between the upper and lower quartiles, IQR = Q3−Q1
  2. * p < 0.001 (Mann–Whitney U test); compared to migraineurs without menstrual migraine headaches
  3. ** p < 0.001 (Mann–Whitney U test); compared to without menstrual headaches