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Table 1 Comparison of clinical characteristics and severity of depression in all participants, responders and non-responders

From: Delayed effect of bifrontal transcranial direct current stimulation in patients with treatment-resistant depression: a pilot study

 

All participants

Responders

N = 6

Non-responders

N = 12

P-value

Age (years)

44.6

14.2

47.7

12.5

43

15.3

.527

Sex

      

1.00

 Male

5

27.8%

2

33.3%

3

25%

 

 Female

13

72.2%

4

66.7%

9

75%

 

Diagnosis

      

1.00

 MDD

13

72%

4

66.7%

9

75%

 

 Bipolar

5

28%

2

33.3%

3

25%

 

Onset age (years)

29.8

15.6

29

14.6

30.2

16.8

.887

Ever received ECT

      

1.00

 No

16

88.9%

5

83.3%

11

91.7%

 

 Yes

2

11.1%

1

16.7%

1

8.3%

 

Every visited ER for psychiatric emergency

      

.344

 No

6

33.3%

3

50%

3

33.3%

 

 Yes

12

66.7%

3

50%

9

66.7%

 

History of suicide attempt

      

.321

 No

8

44.4%

4

66.7%

4

33.3%

 

 Yes

10

55.6%

2

33.3%

8

66.7%

 

Family history of psychiatric disorders

      

.638

 No

10

55.6%

4

66.7%

6

50%

 

 Yes

8

44.4%

2

33.3%

6

50%

 

With antidepressants

      

1.00

 No

2

11.1%

1

16.7%

1

8.3%

 

 Yes

16

88.9%

5

83.3%

11

91.7%

 

With antipsychotics

      

1.00

 No

9

50%

3

50%

6

50%

 

 Yes

9

50%

3

50%

6

50%

 

With mood stabilizers

      

1.00

 No

14

77.8%

5

83.3%

9

75%

 

 Yes

4

22.2%

1

16.7%

3

25%

 

With benzodiazepines

      

1.00

 No

1

5.6%

0

0%

1

83.3%

 

 Yes

17

94.4%

6

100%

11

91.7%

 

MADRS at baseline

29.61

9.71

30.83

15.09

29

6.41

.718

BDI at baseline

34.56

13.05

31.83

15.74

35.92

12.02

.548

  1. MADRS Montgomery–Åsberg Depression Rating Scale, BDI Beck Depression Inventory; numbers in the table are either means with standard deviation or counts with percentage