As per the survey taken by the National Depressive and Manic-Depressive Association (DMDA), 69 percent of patients with bipolar disorder are misdiagnosed initially and more than one-third remained misdiagnosed for 10 years or more. 13 Similarly, a survey done in Europe on 1000 people with bipolar disorder found a mean time of 5.7 years from the initial misdiagnosis to the ….