TABLE 3.

Concordance matrix comparing DBCT and LS results for 306 GBS isolates from various sources

LS	No. of isolates with the following dot blot type:
	Ia	Ib	II	III	IV	V	VI	VII	VIII	Nontypeable	Total
Ia	60					1a				1	62
Ib	1a	32		1a						1	35
II			39	1b		1a					41
III	2a			31		4c	2c				39
IV					10	1a					11
V						70				1	71
VI							6				6
VII								2			2
VIII									6		6
Nontypeable	7	4	3	2		16			1		33
Total	70	36	42	35	10	93	8	2	7	3	306

^aDiscordant result has been confirmed by PCR and sequencing to match the DBCT result.

^bConfirmed to be serotype V by PCR and sequencing.

^cDiscordant result has been confirmed by PCR and sequencing to match the LS result.