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Table 1 IDGP: Reproducibility (test- retest reliability).

From: Identifying dyspepsia in the Greek population: translation and validation of a questionnaire

DIAGNOSTIC CATEGORIES

K+

ITEM

K+

Dyspepsia

0.67

1

0.724

  

4

0.609

  

18

0.603

Frequent dyspepsia

0.61

2

0.358

  

5

0.694

  

19

0.691

GERD like symptoms

0.69

7

0.746

  

10

0.694

  

13

0.314

  

14

0.730

  

15

0.652

  

21

0.658

  

24

0.749

Frequent GERD like symptoms

0.71

8

0.700

  

11

0.742

  

16

0.698

  

22

0.444

Consultation behaviour

0.49

3

0.413

  

6

0.405

  

9

0.336

  

12

0.481

  

17

0.688

  

20

0.306

  

23

0.278

  

26

0.722

Investigation for organic gastric disease

0.80

28

0.653

  

29

0.950

Past diagnosis of stomach or duodenal ulcer

27

0.688

Open question

30

0.615

  1. +: Kappa coefficient