TABLE 3.
Slope and intercept estimates from Deming regressiona
| Study and vaccine | Strain | Slope (95% CI) | Intercept (95% CI) |
|---|---|---|---|
| 1 | |||
| TIVc | A/H1N1 | 1.14 (1.13 to 1.16) | −0.04 (−0.15 to 0.09) |
| A/H3N2 | 0.91 (0.90 to 0.92) | 0.29 (0.20 to 0.37) | |
| B | 1.40 (1.38 to 1.43) | −0.55 (−0.65 to −0.45) | |
| TIVe | A/H1N1 | 1.27 (1.21 to 1.32) | 0.48 (0.08 to 0.89) |
| A/H3N2 | 0.89 (0.87 to 0.91) | 0.28 (0.11 to 0.45) | |
| B | 1.41 (1.36 to 1.47) | −0.61 (−0.82 to −0.40) | |
| 2 | |||
| aQIV | A/H3N2 | 1.18 (1.14 to 1.21) | −0.73 (−1.05 to −0.42) |
| B | 1.16 (1.13 to 1.19) | −0.77 (−0.95 to −0.58) | |
| QIV | A/H3N2 | 1.13 (1.10 to 1.16) | −0.31 (−0.55 to −0.07) |
| B | 1.16 (1.13 to 1.19) | −0.63 (−0.80 to −0.46) | |
a
Abbreviations: aQIV, adjuvanted quadrivalent influenza vaccine; CI, confidence interval; QIV, nonadjuvanted quadrivalent influenza vaccine; TIVc, cell-derived trivalent influenza vaccine; TIVe, egg-derived trivalent influenza vaccine.