From: Urdu version of the neck disability index: a reliability and validity study
Differences in NDI-U total scores | Mean ± SD | P value |
Patients | 15.68 ± 8.52 | <0.001 |
Healthy participants | 0.00 | |
Pearson’s correlation | R | P value |
Between NDI-U and VASdisability | 0.83 | <0.001 |
Between NDI-U and VASpain | 0.62 | <0.001 |