Table 5.

GMT analysis of antibodies in the test and control groups.

Blood collection time	Group	Number of cases	GMT	95CI	t value	P value
Blood collection on day 0	Test group	84
	Control group	89
Blood collection on day 7	Test group	33	1.11	0.19–6.98	−2.21	0.03
	Control group	34	0.65	0.1–21.38
Blood collection on day 14	Test group	81	19.54	13.34–25.76	−5.4	0
	Control group	84	7.46	1.35–13.59
Blood collection on day 42	Test group	84	11.71	1.95–150.33	−1.57	0.12
	Control group	89	9.13	4.38–13.89