Q13. Based on your experience, over the past 24 months, in approximately how many medical CDR cases did each of the following Group I exceptions apply?

  All or almost all Most Some Few None No basis to judge Number
of respondents
a. Advances in medical or vocational therapy or technology 0 1 1 13 34 5 54
b. Participation in vocational therapy 0 0 1 20 28 5 54
c. New or improved diagnostic techniques 0 0 2 14 33 5 54
d. Error 0 0 3 27 19 4 53