|
Table 4. Clinical features in youths having bipolar disorder with and without anxiety comorbidity |
||||
|
|
Anxiety |
No anxiety |
||
|
|
n = 33 |
n = 10 |
c2 |
P |
|
Age, mean (SD) |
14.7 (4.4) |
15.0 (2.7) |
0.24 |
ns |
|
Age at onset, mean (SD) |
12.6 (2.7) |
11.1 (3.6) |
–1.46 |
ns |
|
Clinical global impression, mean (SD) |
4.79 (0.78) |
5.11 (0.78) |
1.1 |
ns |
|
Bipolar disorder |
||||
|
Type I, n (%) |
19 (57.6) |
5 (50.0) |
|
|
|
Type II, n (%) |
14 (42.4) |
5 (50.0) |
0.18 |
ns |
|
Lifetime comorbidity, n (%) |
||||
|
Attention-deficit hyperactivity disorder or conduct disorder |
7 (21.2) |
5 (50.0) |
3.16 |
ns |
|
Pharmacologic hypomania, n (%) |
12 (36.4) |
0 (0.0) |
5.04 |
0.02 |
|
Index episode, n (%) |
||||
|
Depressive |
15 (45.4) |
3 (30.0) |
|
|
|
(Hypo)mania |
10 (30.3) |
4 (40.0) |
|
|
|
Mixed |
8 (24.2) |
3 (30.0) |
0.76 |
ns |