Table 6.

Congruence of strain typing results as indicated by Wallace coefficients

MethodWallace coefficient (95% CI)a
PCR-ribotypingPFGEREA
PCR-ribotyping0.902 (0.852–0.951)0.834 (0.795–0.872)
PFGE0.488 (0.460–0.516)0.588 (0.547–0.629)
REA0.658 (0.618–0.698)0.792 (0.733–0.852)