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Table 5 Simpson’s index of diversity and 95% Confidence intervals (CI 95% ) of the typing methods used in the analysis of the 160 invasive isolates and 320 pharyngitis isolates

From: Group A streptococci clones associated with invasive infections and pharyngitis in Portugal present differences in emm types, superantigen gene content and antimicrobial resistance

Typing method Invasive Pharyngitis
No. types SID [CI95%] No. types SID [CI95%]
T typing 13 0.882 [0.859-0.904] 17 0.915 [0.907-0.923]
emm typing 30 0.920 [0.900-0.940] 26 0.921 [0.911-0.931]
PFGE profiling 30 0.930 [0.912-0.947] 44 0.947 [0.939-0.954]
SAg profiling 27 0.911 [0.891-0.931] 46 0.941 [0.932-0.951]