Table 5

Comorbidity among Anxiety Disordersa

N(%)
AD
GAD
PTSD
PD
SA
SPD
SP
OCD

342
20(5.8)
52(15.2)
2(0.6)
2(0.6)
24(7.0)
26(7.6)
9(2.6)
11(3.2)
AD 20(5.8)
---
4(20.0)
0
0
0
1(5.0)
3(15.0)1
1(5.0)
GAD 52(15.2)
4(7.7)
---
0
1(1.9)
8(15.4)1
10(19.2)1
1(1.9)
2(3.8)
PTSD 2(0.6)
0
0
---
0
1(50.0)
0
0
0
PD 2(0.6)
0
1(50.0)
0
---
0
1(50.0)
0
0
SA 24(7.0)
0
8(33.3)1
1(4.2)
0
---
6(25.0)1
2(8.3)
0
SPD 26(7.6)
1(3.8)
10(38.5)1
0
1(3.8)
6(23.1)1
---
0
0
SP 9(2.6)
3(33.3)1
1(11.1)
0
0
2(22.2)
0
---
0
OCD 11(3.2)
1(9.1)
2(18.2)
0
0
0
0
0
---
AnyAD 110(32.2)
20(18.2)
52(47.3)
2(1.8)
2(1.8)
24(21.8)
26(23.6)
9(8.2)
11(10.0)

a. see Tb1 for diagnostic abbreviations; AnyAD: Any Anxiety Disorder;

1: significant co-occurrence, Fisher's Exact Test

Elia et al. Child and Adolescent Psychiatry and Mental Health 2008 2:15   doi:10.1186/1753-2000-2-15