TABLE 2.
Characteristics of the four patients from whom respiratory syncytial virus (RSV) RNA was detected in bronchoalveolar lavage (BAL) samples during the baseline visit
| Patient | ||||
|---|---|---|---|---|
|
| ||||
| 1 | 2 | 3 | 4 | |
| Visit category | Baseline | Baseline | Baseline | Baseline |
| BAL RSV PCR | Positive | Positive | Positive | Positive |
| Serum RSV IgM | Negative | Negative | Negative | Negative |
| Serum RSV IgG* | Twofold increase | Twofold increase | Stable | Twofold decrease |
| Month of visit | September | June | August | November |
| Baseline FEV1, L (%)† | 1.37 (33) | 1.16 (62) | 1.5 (63) | 3.84 (82) |
| Baseline symptoms | Cough | Cough | None | Cough |
| Dyspnea | Dyspnea | None | – | |
| White blood cells, ×109/L | 7.050 | 6.420 | 5.640 | 8.690 |
| C-reactive protein, mg/L | 5 | 10 | 4 | 2 |
*
Three weeks after initial measurement;
†
Percentage of the mean predicted value. FEV1 Forced expiratory volume in 1 s; Ig Immunoglobulin; PCR Polymerase chain reaction