Table 3. Relation of B-domain TPM sequence type to number of C-domain TPMs in 1322 Western CagA sequences.

B-TPM Sequence type	Totala	C-TPM number (%)
	(n = 1322)	1 (n = 1035)	2 (n = 254)	3 (n = 33)	p-value
EPIYA	730	582(79.7)	124(17.0)	24(3.3)	NSb
EPIYT	436	339(77.8)	90(20.6)	7 (1.6)	NS
ESIYA	26	21 (80.8)	4(15.4)	1 (3.8)	NS
ESIYT	50	14 (28.0)	35(70.0)	1 (2.0)	<0.001
Others	80	79 (98.8)	1 (1.2)	0 (0.0)	NS

^a For some Western strains (n = 16), there are > 3 C-TPMs.

^b NS, P>0.05.