The hospital anxiety and depression scale.

@article{Snaith2003TheHA,
  title={The hospital anxiety and depression scale.},
  author={R Philip Snaith and A. S. Zigmond},
  journal={British Medical Journal (Clinical research ed.)},
  year={2003},
  volume={292},
  pages={344 - 344}
}
  • R. Snaith, A. Zigmond
  • Published 1 February 1986
  • Medicine
  • British Medical Journal (Clinical research ed.)
There is a need to assess the contribution of mood disorder, especially anxiety and depression, in order to understand the experience of suffering in the setting of medical practice. Most physicians are aware of this aspect of the illness of their patients but many feel incompetent to provide the patient with reliable information. The Hospital Anxiety And Depression Scale, or HADS, was designed to provide a simple yet reliable tool for use in medical practice. The term 'hospital' in its title… 
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The hospital anxiety and depression scale.
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TLDR
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In a study of 35 cases of localized pain without demonstrable organic cause, and depression, two groups have been distinguished: 1. Chronic pain followed by depression, the depression alone
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