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Table 2 Descriptive analysis of the studied cases regarding pain-related and functional variables (n = 68)

From: Functional ability in knee osteoarthritis: role of neuropathic pain and central sensitization

 

Min. – Max

Mean ± SD

Median (IQR)

VAS

5 – 10

8.29 ± 1.55

8.5 (8 – 10)

PPT right knee (N)

10 – 55

21.35 ± 5.96

20 (19 – 24)

PPT left knee (N)

5 – 60

19.99 ± 7.98

20 (15 – 21)

PPT right Elbow (N)

5 – 46

20.97 ± 5.67

21 (19 – 25)

CSI

24 – 87

53.16 ± 13.93

55 (46 – 60)

PainDetect

1 – 31

15.4 ± 7.9

17 (10 – 21)

DN4

0 – 9

3.28 ± 2.17

4 (1 – 5)

HAD-Depression

4 – 21

15.18 ± 5.28

16 (11 – 20)

HAD-Anxiety

4 – 30

16.81 ± 5.09

18 (15 – 20)

Timed up and go (seconds)

12 – 37

23.16 ± 5.47

23.5 (19 – 28)

CST (seconds)

13 – 50

23.81 ± 5.46

23 (21 – 25)

KOOS total

11 – 70

29.35 ± 9.96

29.5 (25 – 36)

KOOS symptoms

0 – 82

39.18 ± 15.3

39 (27 – 54)

KOOS Pain

0 – 67

29.1 ± 11.12

25 (25 – 35)

KOOS ADL

15 – 94

33.51 ± 14

30 (25 – 43)

KOOS Sports

0 – 50

9.49 ± 13.13

0 (0 – 25)

KOOS QOL

0 – 69

35.13 ± 16.38

37.5 (25 – 50)

  1. IQR Inter quartile range, SD Standard deviation, VAS Visual Analogue Scale, PPT pressure pain threshold, N newton, CST performance-based chair and stand test, DN4 Douleur neuropathique 4, HAD-A Hospital Anxiety score, HAD-D Hospital Depression score, CSI central sensitization inventory, KOOS Knee Injury and Osteoarthritis Outcome Score, ADL activity of daily living, QOL quality of life