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Table 2 Demographic and clinical profiles of bipolar depression patients, unipolar depression patients and healthy controls

From: Abnormal resting-state cerebral-limbic functional connectivity in bipolar depression and unipolar depression

Characteristics (mean ± SD) BD (n = 23) UD (n = 22) HC (n = 24) Analysis
F/χ2 p
Age (years) 24.67 ± 6.17 27.57 ± 4.06 25.82 ± 5.42 − 2.064 0.014a
Education (years) 11.41 ± 2.69 11.84 ± 2.69 10.78 ± 2.95 1.679 0.126a
Sex (male/female) 12/11 12/10 13/11 0.185 0.911a
Duration of illness (months) 9.59 ± 4.53 9.59 ± 4.53 − 6.518 < 0.001a
Chlorpromazine equivalents (mg) 276.12 ± 245.86 259.00 ± 249.79 0.333 0.702b
HAMD 21.57 ± 4.67 20.05 ± 5.78 0.506 0.671b
YMRS 15.84 ± 7.7 14.29 ± 6.53 1.084 0.841b
WAIS-digit symbol 53.56 ± 12.08 69.50 ± 14.37 79.07 ± 11.44 27.365 < 0.001b
  1. p < 0.05
  2. HC healthy controls, BD bipolar depression, UD unipolar depression, HAMD Hamilton Rating Scale for Depression, YMRS Young Mania Rating Scale
  3. aAnalysis of variance
  4. bTwo-sample t tests