Table 2.

Contingency table comparing FTIR clustering (1–10) vs. WGS clustering (I–XI) as the reference method.

		WGS clustering
		I	II	III	IV	V	VI	VII	VIII	IX	X	XI	S	Total
FTIR clustering	1	13												13
	2		4											4
	3			2									1	3
	4	1			2		2	2	2				5	14
	5					2								2
	6											2		2
	7									3				3
	8										2			2
	9										2			2
	10												2	2
	S	2										1	13	16
	Total	16	4	2	2	2	2	2	2	3	4	3	21	63

S, Singleton.