The results of the Diabetes Control and Complications Trial into the effect of intensive diabetes therapy on the development and progression of neuropathy indicated that neuropathy occurred in 96 patients out of 1000 patients randomized to usual care (control group) and 28 patients of 998 patients randomized to intensive therapy (experimental group). The number of patients we need to treat with the intensive diabetes therapy to prevent one additional occurrence of neuropathy is: [4 points] 15 O 10 0 9 O 12