Table 8.

Seroconversion rate in vaccine group vs. control group.

	No. of studies	RR (95% CI)	I2	P -value
Pseudovirus neutralizing antibody
28 days after Dose 1	3	77.99 [28.40, 214.14]	82	<0.05*
28 days after Dose 2	3	144.80 [44.97, 466.24]	73	<0.05*
Neutralizing antibody 28 days after Dose 2	2	118.74 [38.67, 364.63]	0	<0.05*
3-5 years old	2	110.57 [15.87, 770.57]	0	<0.05*
6–11/12 years old	2	124.37 [17.79, 869.21]	0	<0.05*
12/ 13–17 years old	2	121.28 [17.36, 847.06]	0	<0.05*
RBD–binding enzyme-linked immunosorbent assay antibody
28 days after Dose 1	1	99.48 [6.31, 1569.12]	Not applicable	<0.05*
56 days after Dose 1 (Before Dose 2)	1	98.47 [6.24, 1553.30]	Not applicable	<0.05*
28 days after Dose 2	1	101.50 [6.44, 1600.76]	Not applicable	<0.05*

^*P < 0.05.