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. 2010 Feb 10;84(9):4302–4310. doi: 10.1128/JVI.02284-09

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
a

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.

b

See Table 1, footnote b.