TABLE 3.

Frequency of recognition of proteins from B. henselae Houston-1

Protein banda	% Sera with Western blot reactivity to protein bandb			P value (Fisher's exact test)
	B. henselae endocarditis (n = 12)	Cat scratch disease (n = 10)	B. quintana endocarditis (n = 37)	B. henselae endocarditis vs cat scratch disease	B. henselae endocarditis vs B. quintanaendocarditis
Bh200	8			NSc	NS
Bh160	8			NS	NS
Bh140	8		3	NS	NS
Bh65	100		100	<0.000005	NS
Bh60	25			NS	NS
Bh45	75		84	<0.0005	NS
Bh40	25		19	NS	NS
Bh34	58		59	<0.005	NS
Bh33			16	NS	NS
Bh30	17		24	NS	NS
Bh28	8		11	NS	NS
Bh25	17		11	NS	NS
Bh23	42		30	<0.05	NS
Bh20	33		65	NS	NS
Bh10	33		65	NS	NS

^aBands with boldface designations demonstrated significant association with B. henselae endocarditis compared to that with cat scratch disease (P < 0.05).

^bProportion of sera recognizing each band. Results equal to zero were omitted to improve clarity.

^cNS, not significant.