Table 3 Principle component analysis of the Iranian version of the Short-Form McGill Pain Questionnaire in a diverse chronic pain patient sample

Items

r

r

1. Throbbing

0.47

0.11

2. Shooting

0.68

0.45

3. Stabbing

0.59

0.26

4. Sharp

0.64

0.31

5. Cramping

0.45

0.29

6. Gnawing

0.69

0.54

7. Hot-Burning

0.55

0.39

8. Aching

0.48

0.44

9. Heavy

0.64

0.43

10. Tender

0.58

0.40

11. Splitting

0.52

0.25

12. Tiring-Exhausting

0.49

0.75*

13. Sickening

0.52

0.86*

14. Fearful

0.41

0.66*

15. Punishing-Cruel

0.46

0.82*