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Table 2.

Self-Rated Change in Questionnaire Scores (n=101)a

Global Change Scale Oswestry Disability Questionnaire8,9 Quebec Back Pain Disability Scale10 Roland-Morris Disability Questionnaire11 Waddell Disability Index12 SF-36 Physical Functioning Scale SF-36 Role Limitations-Physical Scale SF-36 Bodily Pain Scale 
X̅ SD X̅ SD X̅ SD X̅ SD X̅ SD X̅ SD X̅ SD 
Completely gone (r=6) 33 30 38 25  4 −38 32 −58 38 −46 26 
Much better (n=26) 16 16 19 25  2 −16 19 −42 48 −31 27 
Better (n=20)  9 13 11 14  1 −15 25 −26 47 −14 26 
A little better (n=28)  3 10  2 11  0 1.6 −2.5 13  −6 41 −12 22 
About the same (n=16)  0  7 0.3 11 −1 1.6 10  1.6 28  −5 17 
A little worse (n=3) −6  6 −6  8  0 13  17 29  4 21 
Much worse (n=2) −4 17 −8 18 −2 −1 7.5 11  −13 18  10 15 
Global Change Scale Oswestry Disability Questionnaire8,9 Quebec Back Pain Disability Scale10 Roland-Morris Disability Questionnaire11 Waddell Disability Index12 SF-36 Physical Functioning Scale SF-36 Role Limitations-Physical Scale SF-36 Bodily Pain Scale 
X̅ SD X̅ SD X̅ SD X̅ SD X̅ SD X̅ SD X̅ SD 
Completely gone (r=6) 33 30 38 25  4 −38 32 −58 38 −46 26 
Much better (n=26) 16 16 19 25  2 −16 19 −42 48 −31 27 
Better (n=20)  9 13 11 14  1 −15 25 −26 47 −14 26 
A little better (n=28)  3 10  2 11  0 1.6 −2.5 13  −6 41 −12 22 
About the same (n=16)  0  7 0.3 11 −1 1.6 10  1.6 28  −5 17 
A little worse (n=3) −6  6 −6  8  0 13  17 29  4 21 
Much worse (n=2) −4 17 −8 18 −2 −1 7.5 11  −13 18  10 15 
a

SF-36=Medical Outcomes Study 36-Item Short-Form Health Survey.13,14 Positive scores reflect improvement, except for the SF-36 for which negative scores indicate improvement. All scales scored 0–100, except Roland-Morris Disability Questionnaire (0–24) and Waddell Disability Index (0–9).

Table 2.

Self-Rated Change in Questionnaire Scores (n=101)a

Global Change Scale Oswestry Disability Questionnaire8,9 Quebec Back Pain Disability Scale10 Roland-Morris Disability Questionnaire11 Waddell Disability Index12 SF-36 Physical Functioning Scale SF-36 Role Limitations-Physical Scale SF-36 Bodily Pain Scale 
X̅ SD X̅ SD X̅ SD X̅ SD X̅ SD X̅ SD X̅ SD 
Completely gone (r=6) 33 30 38 25  4 −38 32 −58 38 −46 26 
Much better (n=26) 16 16 19 25  2 −16 19 −42 48 −31 27 
Better (n=20)  9 13 11 14  1 −15 25 −26 47 −14 26 
A little better (n=28)  3 10  2 11  0 1.6 −2.5 13  −6 41 −12 22 
About the same (n=16)  0  7 0.3 11 −1 1.6 10  1.6 28  −5 17 
A little worse (n=3) −6  6 −6  8  0 13  17 29  4 21 
Much worse (n=2) −4 17 −8 18 −2 −1 7.5 11  −13 18  10 15 
Global Change Scale Oswestry Disability Questionnaire8,9 Quebec Back Pain Disability Scale10 Roland-Morris Disability Questionnaire11 Waddell Disability Index12 SF-36 Physical Functioning Scale SF-36 Role Limitations-Physical Scale SF-36 Bodily Pain Scale 
X̅ SD X̅ SD X̅ SD X̅ SD X̅ SD X̅ SD X̅ SD 
Completely gone (r=6) 33 30 38 25  4 −38 32 −58 38 −46 26 
Much better (n=26) 16 16 19 25  2 −16 19 −42 48 −31 27 
Better (n=20)  9 13 11 14  1 −15 25 −26 47 −14 26 
A little better (n=28)  3 10  2 11  0 1.6 −2.5 13  −6 41 −12 22 
About the same (n=16)  0  7 0.3 11 −1 1.6 10  1.6 28  −5 17 
A little worse (n=3) −6  6 −6  8  0 13  17 29  4 21 
Much worse (n=2) −4 17 −8 18 −2 −1 7.5 11  −13 18  10 15 
a

SF-36=Medical Outcomes Study 36-Item Short-Form Health Survey.13,14 Positive scores reflect improvement, except for the SF-36 for which negative scores indicate improvement. All scales scored 0–100, except Roland-Morris Disability Questionnaire (0–24) and Waddell Disability Index (0–9).

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