Groups
|
Year of birth
|
Antibodies against H1N1/2009pdm, log2
|
Antibodies against H1N1/1999, log2
|
---|
HI titers, Me (Q1;Q3)
|
NI titers, Me (Q1;Q3)
|
HI titers, Me (Q1;Q3)
|
NI titers, Me (Q1;Q3)
|
---|
1 (n = 24) | Before 1957 | 2.31 (2.3;2.3) | 3.5 (2.3;5.3) | 2.32 (2.3;2.8) | 3.9 (2.3;5.1) |
2 (n = 24) | 1957–1976 | 2.3 (2.3;5.3) | 2.33 (2.3;3.3) | 2.3 (2.3;4.3) | 3.8 (2.3;4.6) |
3 (n = 78) | 1977–1999 | 4.34 (3.3;5.3) | 4.3 (3.4;5.3) | 6.35 (5.3;8.3) | 5.76 (4.8;6.4) |
4 (n = 37) | After 2000 | 2.3 (2.3;5.3) | 2.9 (2.3;5.3) | 2.3 (2.3;5.3) | 3.4 (2.3;5.3) |
- Key: Me (medians), Q1; Q3 (lower and upper quartiles).
-
1Mean titers of HI antibodies against H1N1/2009pdm are lower than NI antibodies (p = 0.001).
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2Mean titers of HI antibodies against H1N1/1999 are lower than NI antibodies (p = 0.006).
-
3Mean titers of antibodies against NA of pandemic influenza virus H1N1/2009pdm in are lower in group 2 than in group 3 (p = 0.002).
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4Mean titers of HI antibodies against H1N1/2009pdm are higher in group 3 than in group 1 (p = 0.0002).
-
5Mean titers of HI antibodies against H1N1/1999 are higher in group 3 than in groups 1, 2, and 4 (p < 0.0001).
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6Mean titers of NI antibodies H1N1/1999 are higher in group 3 than in groups 1, 2, and 4 (p < 0.001).