Appendix e-3 – Screening questionnaire for neuropathy in control patients.
___________________________________________ 1. Most of the time, do you feel unsteady when you walk?
2. Most of the time, do you have continuous burning or unusual sensitivity in your feet or legs?
3. Most of the time, do you have a continuous ‘prickling or tingling’ sensation in your feet and legs?
4. Most of the time, do you have a continuous sensation of numbness or lack of feeling in the feet?
5. Do you regularly have weakness in your legs, especially when going up or down the stairs?
_______________________________________________ Positive responses to 3/5 questions result in exclusion from the control group.