Table 2 Discriminatory power and concordance of tandem repeat sequence typing and PCR ribotyping.
From: Typing Clostridium difficile strains based on tandem repeat sequences
Method | No. of strains included | No. of different types | Discriminatory index | 95% CI | Concordance with ribotypinga (%) |
|---|---|---|---|---|---|
PCR ribotyping | 154 | 75 | 0.967 | 0.953 – 0.982 | n. a. |
TRSTb | 154 | 72 | 0.967 | 0.954 – 0.981 | 89.8 |
TR6 sequencing | 154 | 43 | 0.931 | 0.911 – 0.951 | 60.4 |
TR10 sequencing | 154 | 53 | 0.949 | 0.934 – 0.964 | 71.6 |