Table 2 Comparison of 59 patients’ headache status before and after endovascular treatment

Anytime before (n)

Interview time (n)^a

P-value

Overall headache

45

27

0.0003*

Migraine

15

6

0.022*

Tension-type headache

27

19

0.077

1 year before (n)

Interview time (n)

Change (%)

P-value

Overall headache

32

27

−16

0.302

Migraine

9

6

−33

0.453

Tension-type headache

20

19

−5

1.000

1 month before (n)

3 months after (n)

Change (%)

P-value

Overall headache

19

31

+63

0.017*

Migraine

4

8

+100

0.289

Tension-type headache

12

24

+100

0.012*