Table 3.
VAMS and serum measurement ratio comparisons pre- and post-adjustment for hematocrit and correlations between predicted and measured serum IgG concentrations
| Influenza virus type | Subtypes | Abbreviation | N | Pre-adjustment | Post-adjustment | |||
|---|---|---|---|---|---|---|---|---|
| RV/S(%) | RV/S(%) | SCC | ||||||
| Mean | SD | Mean | SD | r | ||||
| A | H1 | SC18 | 20 | 76.21 | 14.40 | 84.42 | 13.10 | 0.8481 |
| PR8 | 20 | 78.15 | 14.79 | 86.42 | 13.17 | 0.9188 | ||
| USSR77 | 20 | 79.46 | 15.56 | 88.10 | 14.07 | 0.9744 | ||
| NewCall99 | 20 | 76.45 | 13.98 | 84.87 | 13.09 | 0.9444 | ||
| Tex91 | 20 | 78.81 | 15.25 | 87.39 | 13.04 | 0.9669 | ||
| Cali09 | 20 | 77.27 | 14.91 | 86.05 | 13.97 | 0.9383 | ||
| Mic15 | 20 | 82.92 | 14.18 | 92.16 | 12.77 | 0.9534 | ||
| H2 | Jap57 | 20 | 87.86 | 22.41 | 96.73 | 19.13 | 0.9774 | |
| H3 | PC73 | 20 | 84.23 | 14.57 | 94.09 | 13.94 | 0.9579 | |
| HK68 | 20 | 77.65 | 13.86 | 86.26 | 13.14 | 0.9820 | ||
| Per09 | 20 | 76.95 | 13.93 | 85.49 | 14.13 | 0.9774 | ||
| Vic11 | 20 | 77.84 | 14.01 | 86.46 | 13.23 | 0.9398 | ||
| Tex12 | 20 | 77.65 | 13.23 | 85.94 | 13.29 | 0.9669 | ||
| Swi13 | 20 | 74.40 | 14.45 | 82.61 | 13.71 | 0.9459 | ||
| HK14 | 20 | 76.18 | 13.87 | 84.48 | 13.19 | 0.9549 | ||
| Sin16 | 20 | 74.88 | 13.88 | 82.93 | 12.73 | 0.9744 | ||
| H5 | Viet04 | 20 | 81.39 | 16.03 | 90.88 | 14.41 | 0.9489 | |
| BJ03 | 20 | 82.20 | 17.97 | 89.79 | 16.23 | 0.9504 | ||
| H6 | chTW13 | 20 | 81.61 | 17.82 | 90.16 | 15.09 | 0.9323 | |
| H7 | malNert00 | 20 | 80.43 | 16.83 | 88.43 | 15.12 | 0.9278 | |
| rheaNC93 | 20 | 95.81 | 30.95 | 103.89 | 28.55 | 0.9579 | ||
| SH13 | 20 | 82.29 | 20.00 | 90.03 | 17.16 | 0.9143 | ||
| H9 | gfHK99 | 20 | 95.60 | 28.62 | 105.37 | 27.75 | 0.9429 | |
| B | B/Bris08 | 20 | 84.54 | 21.35 | 94.12 | 19.94 | 0.9098 | |
| B/Mass12 | 20 | 86.05 | 14.80 | 95.24 | 13.05 | 0.9729 | ||
| B/Phu13 | 20 | 96.35 | 19.67 | 107.4 | 20.63 | 0.9549 | ||
| Chimeric HA | Group 1 | cH5/1 | 20 | 77.91 | 16.23 | 85.39 | 13.93 | 0.9278 |
| Stalk | cH9/1 | 20 | 84.92 | 19.84 | 93.79 | 19.08 | 0.9128 | |
| Group 2 | cH5/3 | 20 | 79.70 | 26.15 | 86.75 | 22.13 | 0.9068 | |
| Stalk | cH4/7 | 20 | 83.10 | 19.90 | 90.97 | 17.85 | 0.8737 | |
| Average | 81.63 | 90.22 | ||||||
Influenza strain full names are provided in Table 1.
HA = hemagglutinin; VAMS = volumetric absorptive microsampling; SCC = Spearman’s correlation coefficient.
RV/S = the ratio of anti-influenza virus HA IgG concentration of VAMS sampling to that of serum sampling, expressed as a percentage (%).