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Table 5 a) Neck Disability Index (NDI) and b) Oswestry Low Back Questionnaire (ODI) in patients above and below suggested cut off (N = 151)

From: Psychometric validation of the Polish version of the Central Sensitization Inventory in subjects with chronic spinal pain

a)

Neck Disability Index

% (number) CSI < 40

n = 94

% (number) CSI > 40

n = 57

p for individual groups comparisons

P for the whole model

Minimal

0–4: no disability

39 (41.5%)

3 (5.3%)

< 0.0000

P < 0.00000

mild

5–14: mild disability

25 (26.6%)

7 (12.3%)

< 0.03

moderate

15–24: moderate disability

26 (27.7%)

27 (47.4%)

< 0.01

severe disability:

> 25

4 (4.3%)

20 (35.1%)

< 0.0000

b)

Oswestry Low Back Pain Questionnaire

% (number) CSI < 40

n = 94

% (number) CSI > 40

n = 57

p for groups comparisons

p for the whole model

Minimal

0–20%: minimal disability

23 (24.5%)

3 (5.3%)

< 0.0024

P < 0.00009

Moderate

21–40%: moderate disability

43 (45.7%)

18 (31.6%)

< 0.08

Severe disability

>  41%

28 (29.8%)

30 (52.6%)

< 0.005