Table 2.

Instruments scores before and after 6 weeks of treatment

Instrument	Baseline mean (SD)	Post-treatment (SD)	Effect size	P value
ODI-Brazil	32.85 (18.87)	26.71 (16.44)	0.37	P < 0.01
RMDQ-Brazil	11.06 (5.67)	8.67 (5.38)	0.44	P < 0.01
Pain VAS	4.15 (2.71)	3.26 (2.47)	0.36	P < 0.01

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

Pain VAS 100-mm visual analogue scale of pain