Rate and predictors of conversion from unipolar to bipolar disorder: A systematic review and meta-analysis.
Lars Vedel KessingInge WillerPer Kragh AndersenJens Drachman BukhPublished in: Bipolar disorders (2017)
The conversion rate from unipolar to bipolar disorder decreases with time. It was not possible to identify predictors of conversion that were consistently or mainly confirmed across studies, which may be due to variations in methodology across studies.