Table 3.
Categories of Likert Scale | Number of patients (%) | Mean change in ODI-Brazil (SD) | Effect Size ODI-Brazil | Mean change in RMDQ-Brazil (SD) | Effect size RMDQ-Brazil | Mean change Pain VAS (SD) | Effect Size Pain VAS |
---|---|---|---|---|---|---|---|
Much better | 10 (33.33) | 7.47c (11.01) | 0.68 | 4.70 (5.85) | 0.80 | 1.10 (1.63) | 0.68 |
Better | 9 (30) | 13.40 (15.35) | 0.87 | 3.44c (2.92) | 1.17 | 2.11 (2.89) | 0.73 |
Little better | 5 (16.67) | 1.69 (4.40) | 0.38 | 1.20 (2.28) | 0.53 | −0.14 (1.89) | 0.16 |
About the same | 5 (16.67) | 2.10 (9.19) | 0.23 | −1.80 (3.03) | 0.59 | 0.24 (0.54) | 0.44b |
Little worse | 1 (3.33) | –a | –a | –a | –a | –a | –a |
Improved group | 19 (63.33) | 10.28c (13.21) | 0.78 | 4.10c (4.61) | 0.89 | 1.58 (2.30) | 0.69c |
Non-improved group | 11 (37.67) | −1.00b (11.58) | 0.08 | −0.54b (2.94) | 0.18 | −0.31 (1.73) | 0.17 |
ODI-Brazil Brazilian–Portuguese version of the Oswestry Disability Index
RMDQ-Brazil Brazil–Portuguese version of Roland–Morris Disability Questionnaire
Pain VAS 100-mm visual analogue scale of pain
aChange is scores and effect size are not calculated because the case is less than or equal to 1
bCorrelation is significant at the 0.05 level
cCorrelation is significant at the 0.01 level