12.07.2015 Views

Understanding Chronic Post Surgical Pain - The Canadian Pain ...

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Epidemiological studiesCase ascertainmentDefining ‘chronic’2, 3 or 6 months after surgeryHave you had pain in the last day?Have you had this pain for more than 3 months?Attributable to surgery?Is this pain the same as the pain before surgery? [recall bias]Is the pain due to surgery?

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