Validation of the visual analog scale in the cervical spine

The association between preoperative mental distress and patient-reported outcome measures in patients treated surgically for cervical radiculopathy

(2017) Martin Skeppholm et al.   Spine Journal

Depression Subscale of the Hospital Anxiety and Depression Scale applied preoperatively in spinal surgery

(2017) Asdrubal Falavigna et al.   ARQUIVOS DE NEURO-PSIQUIATRIA

The Discover artificial disc replacement versus fusion in cervical radiculopathy—a randomized controlled outcome trial with 2-year follow-up

(2015) Martin Skeppholm et al.   Spine Journal

Assessment of the minimum clinically important difference in pain, disability, and quality of life after anterior cervical discectomy and fusion

(2012) Scott L. Parker et al.   JOURNAL OF NEUROSURGERY-SPINE

The Hospital Anxiety and Depression Scale: A meta confirmatory factor analysis

(2012) Sam Norton et al.   JOURNAL OF PSYCHOSOMATIC RESEARCH

Neck Disability Index, short form-36 physical component summary, and pain scales for neck and arm pain: the minimum clinically important difference and substantial clinical benefit after cervical spine fusion

(2010) Leah Y. Carreon et al.   Spine Journal