Table 2

Questionnaire

1. Do you have numbness or tingling in your leg(s) similar to what you had before surgery? (Better, Same, Worse)

2. Do you have weakness in your leg(s) similar to what you had before surgery? (Better, Same, Worse).

3. Do you still have pain/symptoms in the same site that made you have surgery in the first place? (Rated on Visual Analog Scale)

4. Have you developed back pain over the years that is new/different than before surgery? (Rated on Visual Analog Scale)

5. Have you developed leg pain over the years that is new/different than before your surgery? (Rated on Visual Analog Scale)

6. Have you had additional surgery on your back? (Type of surgery, Reason for surgery)

7. Are you happy with the results of the surgery and would you recommend it to a friend with the same problem?

Positive responses on questionnaire were then followed up for specific details via telephone interview.

Weiner et al. Journal of Orthopaedic Surgery and Research 2007 2:5   doi:10.1186/1749-799X-2-5