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. 2014 May 29;14:294. doi: 10.1186/1471-2334-14-294

Table 3.

Superantigen genotype and distribution across emm type

Genotype speA speC speG speH speI speJ speK speL speM ssa smeZ emm12 (40) emm1 (25) emm66 (12) p-value
A (n = 1)
 X
  
 X
  
 X
  
  
  
 X
  
 X
 0
 1 (4%)
 0
  
B (n = 17)
 X
  
 X
  
  
  
  
  
  
  
 X
 0
 13 (52%)
 4 (33.3%)
 <.001
C (n = 1)
 X
  
 X
  
  
 X
  
  
  
 X
 X
 0
 1 (4%)
 0
  
D (n = 7)
 X
  
 X
  
  
 X
  
  
  
  
 X
 0
 7 (28%)
 0
 <.001
E (n = 3)
 X
  
 X
  
 X
  
  
  
  
  
 X
 0
 2 (8%)
 1 (8.3%)
  
F (n = 1)
 X
  
 X
  
 X
 X
  
  
  
  
 X
 0
 1 (4%)
 0
  
G (n = 1)
  
  
 X
 X
 X
  
  
  
 X
  
 X
 1 (2.5%)
 0
 0
  
H (n = 2)
  
 X
 X
 X
 X
  
  
  
  
 X
 X
 2 (5%)
 0
 0
  
J (n = 19)
  
 X
 X
 X
 X
  
  
  
  
  
 X
 19 (47.5%)
 0
 0
 <.001
K (n = 3)
  
 X
 X
  
  
  
  
  
  
  
 X
 3 (7.5%)
 0
 0
  
M (n = 2)
  
 X
 X
 X
 X
  
  
  
 X
  
 X
 2 (5%)
 0
 0
  
N (n = 8)
  
  
 X
 X
 X
  
  
  
  
  
 X
 5 (12.5%)
 0
 3 (25%)
  
O (n = 1)
 X
 X
 X
 X
 X
  
  
  
  
  
 X
 1 (2.5%)
 0
 0
  
P (n = 1)
  
  
 X
  
  
  
  
  
  
  
 X
 0
 0
 1 (8.3%)
  
Q (n = 4)
  
 X
 X
  
 X
  
  
  
  
  
 X
 4 (10%)
 0
 0
  
R (n = 1)
  
 X
 X
 X
 X
 X
  
  
  
  
 X
 1 (2.5%)
 0
 0
  
S (n = 1)
  
 X
 X
  
 X
  
  
  
  
 X
 X
 1 (2.5%)
 0
 0
  
T (n = 1)
  
  
 X
 X
 X
 X
  
  
  
  
  
 0
 0
 1 (8.3%)
  
U (n = 2)
  
  
 X
 X
 X
  
  
  
  
 X
 X
 1 (2.5%)
 0
 1 (8.3%)
  
V (n = 1) X   X X X           X 0 0 1 (8.3%)  

Superantigen genotypes B and D were found significantly more often in emm type 1 isolates. Superantigen genotype J was found significantly more often in emm type 12 isolates. P-values were generated with the two-sided Fisher’s exact test.