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Table 3 Informative powers of SNP sets.

From: Assignment of Streptococcus agalactiae isolates to clonal complexes using a small set of single nucleotide polymorphisms

Generally applicable SNP profile CCGG1as a diagnostic for CC17.
Calculated against all STs Sensitivity = 0.91 Specificity = 0.98 PPV = 0.90
Safety net SNP atr351 "A" allele of as a diagnostic for CC17 – calculated against subsets of STs defined by generally applicable SNPs
CC67 profile STs Sensitivity = 1 Specificity = 0.13 PPV = 0.07
CC23 profile STs Sensitivity = 1 Specificity = 0.79 PPV = 0.14
CC17 profile STs Sensitivity = 1 Specificity = 1 PPV = 1
Safety net SNP "A" allele as a diagnostic for CC17
Calculated against all STs Sensitivity = 0.92 Specificity = 0.82 PPV = 0.45
Safety net SNP "A" allele as a diagnostic for CC17, CC67, CC22 eBURST group
Calculated against all STs Sensitivity = 0.94 Specificity = 0.95 PPV = 0.85
  1. 1. The generally applicable SNP profile consists of alleles at glnA36, glnA429, glcK180, and adhP111; the safety net SNP is atr351