Table 3 Stratified by age and gender in model 3: analysis of factors associated with the ineffectiveness of ECT treatment adolescent severe depressive episode with suicidal behavior

ECT sessions (n)

 4 < n

1.00 (Ref)

1.00 (Ref)

1.00 (Ref)

1.00 (Ref)

 4 ≤ n < 8

0.00 (0.00–0.09)*

 8 ≤ n < 12

0.09 (0.02–0.49)**

0.00 (0.00–0.81)**

0.11 (0.01–0.83)*

0.01 (0.00–0.09)**

 12 ≤ n < 16

0.00 (0.00–0.15)*

0.00 (0.00–0.07)**

 16 ≤ n

0.00 (0.00–0.23)**

Age

0.76 (0.64–0.91)**

Disease duration

1.02 (1.00–1.03)*

Suicide attempts within the last month

2.03 (1.09–3.79)*

HAMD Score

0.92 (0.85–0.99)*

Psychiatric comorbidities

 None

1.00 (Ref)

1.00 (Ref)

 OCD

9.19 (1.11–76.20)*

60.61 (3.28–1121.44)**

Antidepressants

 Sertraline

1.00 (Ref)

 Fluoxetine

5.01 (1.03–24.41)*

 Escitalopram

21.29 (3.35–135.38)**

 Venlafaxine

7.38 (1.69–32.34)**

 Paroxetine

40.55 (1.70–965.04)*

Antipsychotics

 Quetiapine

1.00 (Ref)

1.00 (Ref)

1.00 (Ref)

 Olanzapine

0.41 (0.21–0.81)*

0.38 (0.17–0.87)*

0.29 (0.09–0.94)*

 Aripiprazole

0.29 (0.14–0.63)**

0.27 (0.10–0.71)**