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Table 1 Diagnoses according to ICHD-2 and revised ICHD-2 criteria, given at the Headache Clinic of the University Clinic of Navarra

From: Refractory migraine in a headache clinic population

Diagnoses

n

%

Migraine

172

46.4

   Migraine without aura

110

29.7

   Migraine with aura

42

11.3

   Chronic migraine

20

5.4

Tension-type headache (TTH)

76

20.8

   Episodic infrequent TTH

5

1.3

   Episodic frequent TTH

61

16.4

   Chronic TTH

10

2.7

Cluster headache and other trigeminal autonomic cephalalgias

13

3.5

   Cluster headache

12

3.2

   Paroxysmal hemicrania

1

0.2

Other primary headaches

22

5.9

   Primary stabbing headache

7

1.9

   Primary cough headache

1

0.2

   Primary exertional headache

2

0.5

   Primary thunderclap headache

2

0.5

   Hemicrania continua

2

0.5

   New daily-persistent headache

8

2.1

Secondary headaches

70

18.9

   Medication-overuse headache

40

10.8

   Cervicogenic headache

15

4.0

   Other secondary headaches

15

4.0

Cranial neuralgias and central causes of facial pain

8

2.1

   Trigeminal neuralgia

5

1.3

   Occipital neuralgia

3

0.8

Other headache types

9

2.4

Total

370

100

  1. International Classification of Headache Disorders, second edition (ICHD-2); n: number of patients; %: percentages.