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Table 2 Proportion of patients with positive responses of KPPS-BG (n = 129) and comparison with the original KPPS (n = 300) [31]

From: Translation, adaptation and validation of the Bulgarian version of the King’s Parkinson’s Disease Pain Scale

Items

KPPS-BG

KPPS

English

Fisher exact test

1. Pain around joints (musculoskeletal)

83.7

81.3

0.46

2. Pain related to internal organ

20.2

21.0

0.81

3. Generalised non-specific pain in the stomach area

13.9

17.7

0.11

4. Pain deep within the body

12.4

31.7

0.001

5. Dyskinetic pain

16.3

17.0

0.86

6. Painful muscle cramps in a specific area during “off” period

41.9

32.7

0.08

7. Generalized “off” period pain

17.8

22.3

0.29

8. PLM or RLS-associated pain

24.8

28.0

0.49

9. Pain while turning in bed at night

47.3

47.7

0.94

10. Pain when chewing

4.7

6.7

0.43

11. Pain due to grinding teeth during the night

5.1

5.7

0.25

12. Burning sensation in the mouth

3.3

2.7

0.31

13. Burning pain in the limbs

18.6

18.3

0.93

14. Shooting pain/pins & needles

43.4

41.7

0.74

Domains

1. Musculoskeletal pain

83.7

81.3

0.46

2. Chronic pain

31.0

40.0

0.08

3. Fluctuation-related pain

50.1

44.0

0.37

4. Nocturnal pain

55.0

66.0

0.03

5. Oro-facial pain

14.3

13.3

0.78

6. Discoloration, edema/swelling

27.1

30.3

0.69

7. Radicular pain

43.4

41.7

0.74

  1. KPPS-BG Bulgarian version of the King’s Parkinson’s Disease Pain Scale; KPPS King’s Parkinson’s Disease Pain Scale; PLM periodic limb movements; RLS restless legs syndrome