Table 2

Discriminatory power and concordance of tandem repeat sequence typing and PCR ribotyping.

Method

No. of strains included

No. of different types

Discriminatory index

95% CI

Concordance with ribotyping^a (%)

PCR ribotyping

154

75

0.967

0.953 – 0.982

n. a.

TRST^b

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

^a Adjusted Rand's coefficient

^b Combination of sequences from TR6 and TR10.

Zaiß et al. BMC Microbiology 2009 9:6   doi:10.1186/1471-2180-9-6