TABLE 3

Agreement between genotypic and phenotypic methods used for grouping invasive isolates (n = 97)

WGS capsular genogroup assignmentrt-PCR capsular genogroup agreement (%)Phenotypic method agreement (%)a
SASG1SASG2Dot blotFACSLCPA
MnA (n = 4)1007510010010075
MnB (n = 33)974812949794
MnC (n = 29)1009397100100100
MnW (n = 7)10010010010086100
MnY (n = 24)100100100969696
  • a Pairwise concordance rates (Clopper-Pearson exact method) for WGS, rt-PCR, FACS, LCPA, and dot blotting were ≥96.9% (95% CI, 91.2 to 100%).