TABLE 1.
Postvaccination geometric mean titers
Yr, assay, strain, virus type | Value(s) for each treatment group |
GMT ratio (95% CI) | |||
---|---|---|---|---|---|
IIV-HD |
IIV-SD |
||||
N | GMT (95% CI) | N | GMT (95% CI) | ||
HAI assays | |||||
2011–2012, HAI, A/California/7/2009 (H1N1), vaccine | 2,375 | 481.75 (457.69, 507.07) | 2,382 | 271.84 (257.40, 287.10) | 1.77 (1.64, 1.91) |
2011–2012, HAI, A/Victoria/210/2009 (H3N2), vaccine | 2,375 | 685.53 (651.43, 721.42) | 2,382 | 349.85 (332.09, 368.57) | 1.96 (1.82, 2.11) |
2011–2012, HAI, B/Brisbane/60/2008, vaccine | 2,375 | 138.07 (132.16, 144.23) | 2,382 | 97.55 (93.26, 102.03) | 1.42 (1.33, 1.51) |
2012–2013, HAI, A/California/7/2009 (H1N1), vaccine | 2,879 | 406.95 (390.17, 424.45) | 2,872 | 227.40 (216.85, 238.46) | 1.79 (1.68, 1.91) |
2012–2013, HAI, A/Victoria/361/2011 (H3N2), vaccine | 2,879 | 459.97 (440.80, 479.96) | 2,872 | 252.78 (241.64, 264.43) | 1.82 (1.71, 1.94) |
2012–2013, HAI, B/Texas/6/2011, vaccine | 2,879 | 98.20 (94.52, 102.04) | 2,872 | 61.79 (59.44, 64.22) | 1.59 (1.51, 1.68) |
2012–2013, HAI, A/Victoria/361/2011 (H3N2), circulating | 317 | 49.60 (44.35, 55.47) | 356 | 33.59 (30.04, 37.56) | 1.48 (1.26, 1.73) |
NT assays | |||||
2012–2013, NT, A/Victoria/361/2011 (H3N2), vaccine | 318 | 218.3 (193.6; 246.0) | 357 | 142.3 (126.1; 160.5) | 1.53 (1.29; 1.82) |
2012–2013, NT, A/Victoria/361/2011 (H3N2), circulating | 318 | 506.7 (441.2; 581.9) | 357 | 288.9 (249.3; 334.9) | 1.75 (1.43; 2.15) |
ELLA | |||||
2012–2013, N2 ELLA, N2 from A/Victoria/361/2011 | 318 | 54.55 (49.11; 60.59) | 357 | 38.34 (34.49; 42.62) | 1.42 (1.23; 1.65) |