The onset of bipolar depression was earlier than that of unipolar depression (23.92±6.04 year-old vs 50.9±14 year-old), the ratio of women to men was 2 to 1.
TCLC khởi phát sớm hơn TCĐC (23,92 ± 6,04 tuổi so với 50,9 ± 14 tuổi). Tỉ lệ nữ / nam là 2/1.