Course of disease and treatment; values are number (%) unless otherwise stated
| Geneva (n=55) | Rotterdam (n=96) | p Value | |
|---|---|---|---|
| Children requiring | |||
| Oxygen administration | 43 (78.8) | 59 (68.6) | 0.30 |
| Bronchodilators | 49 (89.1) | 79 (84.0) | 0.54 |
| Ribavirin | 0 | 16 (17.2) | |
| Antibiotics | 32 (58.2) | 34 (38.2) | 0.03 |
| Mean (SD) maximum respiratory rate | 63.3 (12.3) | 58.7 (15.4) | 0.026 |
| Additional children with apnoea | 0 | 2 (2.1) | |
| Patients in intensive care unit | 2 (3.6) | 27 (28.1) | 0.0005 |
| Patient requiring mechanical ventilation | 0 | 7 (7.3) | 0.048 |
| Deaths | 0 | 1 (1.0) | |
| Median (range) hospital stay (days) | 6.5 (1–19) | 9 (1–29) | 0.0011 |
Differences between Geneva and Rotterdam cohorts were tested by the χ2 or Fisher’s exact test for dichotomous variables and by Mann-Whitney U test for continuous variables.