The 5 year mortality of a disease is 50% .a new treatment is developed and the relative risk for patients on this treatment is 0.9.How many patients need the treatment for one life to be saved ?
5
40
20
100
45
The 5 year mortality of a disease is 50% .a new treatment is developed and the relative risk for patients on this treatment is 0.9.How many patients need the treatment for one life to be saved ?
5
40
20
100
45