TABLE 2.
Constant infectivity model: estimated parameter valuesa
Animal groupb | T0 (cells/μl) | β̄ (10−8 ml/RNA/day) | δ (1/day) | d (1/day) | SSR |
---|---|---|---|---|---|
Group 1 | |||||
25479 | 131.4 (65.7-557.7) | 1.18 (0.32-2.62) | 0.19 (0.05-0.43) | 0.03 (0.007-0.08) | 0.176 |
25948 | 14.9 (5.4-37.3) | 9.80 (4.35-28.67) | 0.25 (0.21-0.33) | 0.002 (0.001-0.003) | 0.159 |
29459 | 139.1 (119.6-169.5) | 1.10 (0.93-1.29) | 0.35 (0.30-0.36) | 0.018 (0.018-0.022) | 0.030 |
29271 | 101.2 (77.5-138.3) | 1.62 (1.24-2.17) | 0.20 (0.19-0.22) | 0.001 (0.001-0.002) | 0.028 |
27361 | 10.5 (6.6-14.4) | 15.63 (11.33-23.77) | 0.12 (0.11-0.14) | 0.002 (0.001-0.003) | 0.099 |
29029 | 43.1 (32.0-63.2) | 3.61 (2.49-4.73) | 0.18 (0.15-0.24) | 0.009 (0.007-0.015) | 0.022 |
26811 | 21.3 (11.1-45.2) | 4.24 (1.60-6.20) | 0.20 (0.09-0.29) | 0.008 (0.003-0.029) | 1.141 |
25908 | 14.1 (7.6-28.0) | 9.81 (5.1-17.7) | 0.21 (0.15-0.26) | 0.003 (0.002-0.004) | 0.095 |
Mean | 59.4 | 5.87 | 0.21 | 0.009 | |
Median | 32.2 | 3.92 | 0.20 | 0.005 | |
Group 2 | |||||
35036 | 88.9 (29.1-846.7) | 2.12 (0.19-5.43) | 0.22 (0.13-0.33) | 0.002 (0.001-0.003) | 0.497 |
33815 | 40.3 (19.7-88.4) | 3.29 (1.37-6.03) | 0.19 (0.11-0.29) | 0.009 (0.004-0.014) | 0.185 |
36068 | 24.2 (2.6-53.8) | 4.95 (2.04-41.80) | 0.27 (0.18-0.41) | 0.002 (0.001-0.004) | 0.163 |
Mean | 51.1 | 3.45 | 0.23 | 0.004 | |
Median | 40.3 | 3.29 | 0.22 | 0.002 | |
Group 3 | |||||
34373 | 64.8 (26.4-264.6) | 1.96 (0.62-4.05) | 0.30 (0.06-1.47) | 0.061 (0.001-0.21) | 0.095 |
33952 | 37.2 (17.4-80.0) | 3.45 (1.50-6.63) | 0.25 (0.17-0.41) | 0.007 (0.003-0.011) | 0.134 |
34846 | 19.5 (19.5-19.5) | 4.47 (4.47-4.47) | 0.23 (0.23-0.23) | 0.007 (0.007-0.007) | 0.047 |
Mean | 40.5 | 3.29 | 0.26 | 0.025 | |
Median | 37.2 | 3.45 | 0.25 | 0.007 | |
Overall mean | 53.6 (30.39-76.8) | 4.80 (2.62-6.98) | 0.23 (0.20-0.25) | 0.011 (0.003-0.020) | |
Overall median | 38.7 | 3.53 | 0.22 | 0.007 |
The estimated parameter values T0, β̄ (constant infection rate), δ, d, and sum of squared residuals (SSR) for the eight donor animals, three ramp-up plasma recipient animals, and three set-point plasma recipient animals are indicated (26). Numbers in parentheses indicate the 95% CI.
See Table 1, footnote b.