Question from Lange Book
Patients BP
140/70
160/84
180/88
190/90
150/70
After 1 month of therapy, all of the patients Blood pressure had a systolic BP reduction of 10 mm with a standard deviation of 5 mm. What percentage of patients had a reduction between 5 and 15 mm?
20%
40%
50%
70%
90%
Thanks!!!!!!!!!!!!!!!