. 2010 Aug 18;17(10):1548–1551. doi: 10.1128/CVI.00064-10

TABLE 1.

Comparison of anti-HBs-positive conversion rates among the four groups

Group	No. (%) of subjects who converted to HBs positivity at:				χ²	P
Group	T1	T2	T8	T12	χ²	P
Enrerix-40	53 (88.33)^a^,^b	57 (95.0)^a^,^b^,^c	59 (98.33)^a^,^b^,^c	58 (96.67)^a^,^b^,^c	5.663	0.148
Engerix-20	46 (76.67)^a	48 (80.0)^a	51 (85.0)^a^,^b	52 (86.67)^a^,^b	2.578	0.461
Chinese-20	42 (70.0)^a	43 (71.67)^a	39 (65.0)	38 (63.33)	1.292	0.731
Chinese-10	25 (41.67)	22 (36.67)	39 (65.0)	33 (55.0)	11.917	0.008
χ²	33.214	53.324	28.282	36.925
P	<0.001	<0.001	<0.001	<0.001

Versus Chinese-10, P < 0.01.

Versus Chinese-20, P < 0.05.

Versus Engerix-20, P < 0.05.