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Table 2 Agreement between questionnaire and headache specialist diagnoses

From: The burden of headache in China: validation of diagnostic questionnaire for a population-based survey

Questionnaire

Specialist

MIG

TTH

CDH

No headache

Unclassified

Total

MIG

24

2

0

4

0

30

TTH

1

30

1

3

0

35

CDH

0

0

4

0

0

4

No headache

3

12

0

300

0

315

Unclassified

0

12

0

1

2

15

Total

28

56

5

308

2

399

  1. MIG migraine, TTH tension-type headache, CDH chronic daily headache