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. Author manuscript; available in PMC: 2024 Sep 1.
Published in final edited form as: J Med Virol. 2023 Sep;95(9):e29067. doi: 10.1002/jmv.29067

Table 3:

The comparison of levels of NAB and IgG in participants with booster compared to without booster dose.

Variable N vac_only, N = 1751 vac+booster, N = 1151 p-value2
NAb 12–14 months 144 475 (196, 938) 2,064 (1,897, 2,175) <0.001
NAb 14–16 months 63 473 (169, 829) 1,987 (1,829, 2,098) <0.001
NAb 16–18 months 21 583 (297, 852) 1,956 (1,667, 2,058) 0.001
IgG 12–14 months 121 166 (138, 201) 185 (164, 213) 0.060
IgG 14–16 months 51 194 (169, 204) 183 (153, 201) 0.6
IgG 16–18 months 21 169 (126, 179) 168 (136, 189) 0.8
1

Median (IQR)

2

Wilcoxon rank sum test; Wilcoxon rank sum exact test