Table 1.
Demographic, Clinical, and Virologic Data from 61 Individuals Experimentally Inoculated with RSV A Memphis 37
| Uninfected (n = 27) | Infected (n = 34) | P Value | |
|---|---|---|---|
| Median (range) age, yr | 23 (18–39) | 21 (18–50) | ns |
| Sex, M:F | 17:10 | 18:16 | ns |
| Ethnicity | |||
| White | 21 | 28 | ns |
| Black | 4 | 1 | ns |
| Asian | 0 | 2 | ns |
| Mixed | 2 | 1 | ns |
| Other | 0 | 2 | ns |
| Median cumulative symptom score (IQR)* | 9 (0.8–20.3) | 26.5 (9.6–41.9) | 0.004 |
| Median cumulative viral load (IQR), log10 copies/ml* | 0 | 4.0 (3.1–5.2) | NA |
Definition of abbreviations: IQR = interquartile range; NA = not applicable; ns = not significant; RSV = respiratory syncytial virus.
P values for unpaired Mann-Whitney Wilcoxon U test or chi-squared test for comparison of uninfected versus infected are shown.
*
Trapezoidal area under the curve.