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Table 1 Demographic and clinical characteristics of the patients

From: Clinical assessment of bipolar depression: validity, factor structure and psychometric properties of the Korean version of the Bipolar Depression Rating Scale (BDRS)

Gender (n, %)  
  Male 62 (44.0 %)
  Female 79 (56.0 %)
Age (year, mean ± SD) 38.6 ± 13.7
Years in education (year, mean ± SD) 13.3 ± 3.2
Marital status (n, %)  
  Never married 62 (34.3 %)
  Married 63 (34.8 %)
  Divorced/Separated/Widowed 16 (8.9 %)
Diagnosis (n, %)  
  Bipolar I disorder 103 (73.0 %)
  Bipolar II disorder 35 (24.8 %)
  Bipolar disorder NOS 3 (2.1 %)
Age of onset (year, mean ± SD) 30.1 ± 13.2
Duration of illness (year, mean ± SD) 8.8 ± 9.0
Medication  
  MS + AAP 97 (68.8 %)
  MS + AAP + AD 21 (14.9 %)
  AAP + AD 11 (7.8 %)
  MS + AD 6 (4.3 %)
  AAP monotherapy 5 (3.5 %)
  MS monotherapy 1 (0.7 %)
Psychiatric comorbidity  
  None 120 (85.1 %)
  Alcohol use disorder 11 (7.8 %)
  Anxiety disorder 8 (5.7 %)
  Eating disorder 2 (1.4 %)
Scales (mean ± SD)  
  K-BDRS score 25.1 ± 9.3
  HAMD score 17.4 ± 8.6
  MADRS score 25.9 ± 10.5
  YMRS score 4.6 ± 5.3
  1. K-BDRS Korean version of the Bipolar Depression Rating Scale, HAMD Hamilton Depression Scale, MADRS Montgomery and Asberg Depression Scale, YMRS Young Mania Rating Scale, SD standard deviation, MS mood stabilizer, AAP atypical antipsychotic, AD antidepressant