Table 2.

BCG antibody titre level on follow-up in both groups (n = 495)

Serial number	Follow-up time	BCG Ab titre (IU) (BCG group) (n = 246)	BCG Ab titre (IU) (placebo group) (n = 249)	p value
1	Baseline	1.9 (0.1–9.9)	2.1 (0.01–19.0)	0.28
2	1 month	3.8 (0.1–17.7)	2.0 (0.1–14.2)	< 0.001
3	3 months	6.0 (0.1–27.3)	2.1 (0.2–27.2)	< 0.001
4	6 months	7.8 (0.2–26.2)	2.0 (0.2–26.4)	< 0.001