From: HLA-Cw*0602 associates with a twofold higher prevalence of positive streptococcal throat swab at the onset of psoriasis: a case control study
-/+
+/+
ORa
N
%
OR
95% CI
p
HLA-Cw*0602/Streptococci
Guttate
(n = 143)
12
32
67
63
3.5
1.5–8.7
<0.01
Plaque
(n = 439)
16
5
15
11
2.3
1.0–5.1
<0.02
Control
(n = 454)
7
2
1
1.2
0.02–9.7
0.6