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Table 1 Inclusion criteria

From: A randomised controlled trial comparing the effectiveness of surgical and nonsurgical treatment for cervical radiculopathy

• Aged 20 to 65 years.
• Study 1: Neck and arm pain for at least 3 months, and a corresponding herniation involving one cervical nerve root (C6 or C7)
Study 2: Neck and arm pain for at least 3 months, with corresponding spondylosis involving C6 and/or C7
• Arm pain intensity of at least 4 on a scale from 0 (no pain) to 10 (worst possible pain)
• Willing to accept either of the treatment alternatives
• Neck Disability Index (NDI) > 30%