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. 2023 Jan 10;9:1092646. doi: 10.3389/fmed.2022.1092646

TABLE 5.

Correlation between history of SARS-CoV-2 infection during the past 12 months and anti-S, anti-N, and neutralizing IgG antibody concentration and T-cell response during follow-up.

Anti-S IgG Abs
BAU/ml
Anti-N IgG Abs
COI
Neutralizing IgG Abs
AU/ml
T-cell response P-value
Contracted COVID-19 in the past 12 months Mean ± SD Mean difference
P-value
Mean difference
P-value
Mean difference
P-value
Yes No
No 594.4 ± 623.9 438.3,
P < 0.001
144.8 ± 75.2 25.3,
P < 0.001
330.4 ± 332.4 266.2,
P < 0.001
37.9% 62.1% 0.518
Yes 1,032.7 ± 647.6 170.1 ± 68.01 596.3 ± 296.7 41.1% 58.9%