Table 1. C. difficile RT 017 categorized by other classification methods.

Classification Method	Type(s)	Reference
Serogrouping	F, X	[37]
Toxinotyping	VIII	[38]
NAP typing	NAP 9	[39]
REA grouping	CF1, CF2, CF3, CF4, CF5,CF6, CG1, CG3	[37]
MLST	ST 37, ST 45*	[40]
Ribotyping (internal nomenclature)	RT fr	[36]

Note: NAP; North American pulsed-field gel electrophoresis, REA; restriction endonuclease analysis, MLST; multilocus sequence typing, ST; sequence type, * a study in Thailand [41] performed MLST using a different database and classified RT 017 as ST 45.