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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: Diagn Microbiol Infect Dis. 2014 Mar 17;79(2):119–124. doi: 10.1016/j.diagmicrobio.2014.03.009

Table 5.

Correlation of methicillin susceptibility and valve type with the presence of superantigen genes in S. aureus endocarditis isolates

Gene Methicillin susceptibility Valve type
Susceptible (%) N=83 Resistant (%) N=41 P value Native (%) N=104 Prosthetic (%) N=20 P value
Detection of gene(s) 42 (50.6) 21 (51.2) 1.00 53 (50.9) 10 (50.0) 1.00
 One superantigen 23 (54.8) 19 (90.5) 33 (62.3) 9 (90.0)
 ≥2 Superantigens 19 (42.2) 2 (9.5) 20 (37.7) 1 (10.0)
Toxin detected1
 sea 13 (31.0) 1 (4.8) 0.03 12 (22.6) 2 (20.0) 1.00
 seb 14 (33.3) 3 (14.3) 0.18 16 (30.2) 1 (10.0) 0.30
 sec 7 (16.7) 0 0.94 7 (13.2) 0 0.60
 sed 2 (4.8) 11 (52.4) <0.01 11 (20.8) 2 (20.0) 1.00
 see 10 (23.8) 2 (9.5) 0.33 10 (18.9) 2 (20.0) 1.00
 seh 6 (14.3) 1 (4.8) 0.42 6 (11.3) 1 (10.0) 1.00
 tst 14 (33.3) 4 (19.0) 0.42 15 (28.3) 3 (30.0) 1.00
1

Distribution of individual superantigen genes among superantigen gene-positive S. aureus endocarditis isolates