standard deviation
Results: We collected 100 AMI patients with DM (male:female ratio of 0.85:1) at average age of mean ± standard deviation (SD) = 65.6 ± 11.2.
Results : We collected 100 AMI patients with DM ( male :female ratio of 0 .85 :1 ) at average age of mean ± standard deviation ( SD ) = 65 .6 ± 11 .2 .