Skip to main content

Table 1 Demographic and Clinical Characteristics of the Study Samples (two datasetsa)

From: Altered network efficiency in major depressive disorder

  MDD Control t p MDD Control t p
Sample size (male) 42 (21) 42 (19)    30 (4) 30 (12)   
Age, mean (SD) 42.14 (12.33) 39.143 (11.72) 1.143 0.256 43.47 (15.71) 41.20 (10.96) 0.648 0.519
Education (year), mean (SD) 10.74 (3.90) 11.238 (3.43) 0.624 0.534 12.57 (3.60) 10.86 (3.40) 1.869 0.067
HAMD, mean (SD) 26.88 (2.92) 2.119 (1.783) 46.861 0.000 28.03 (3.74) 1.90 (1.81) 34.484 0.000
Medication-naïve 27b NA    18 NA   
Past antidepressant use 14 NA    12 NA   
Duration of illness (month), mean (SD) 49.06 (68.10)c NA    30.83 (41.77)d NA   
Family history of psychiatric disordere 4 NA    6 NA   
Comorbid generalized anxiety disorder 6 NA    11 NA   
Comorbid obsessive-compulsive disorder 1 NA    0 NA   
  1. aLeft for Dataset 1 and right for Dataset 2
  2. b,c and dinformation for one subject was lost
  3. efamily history of depressive disorder up to second-degree relatives
  4. HAMD, Hamilton Depression Scale; MDD, major depressive disorder; NA, not applicable