Table 4.

Responsiveness values of the scales

Scales	ESe	SRMf
CNFDSa	0.78	0.90
NDIb	0.66	1.18
NBQc	0.82	0.97
NPDSd	0.87	0.98

^aCopenhagen Neck Functional Disability Scale

^bNeck Disability Index

^cNeck Bournemouth Questionnaire

^dNeck Pain and Disability Scale

^eEffect size

^fStandardized response mean