Table 4 Description of the study population (n = 821)
N | n (%) | |
|---|---|---|
First wheezing episode | 801 | 492 (59.9) |
Sex (male/female) | 821 | 476/345 |
Age under 3 months | 821 | 170 (20.7) |
Prematurity <37 weeks | 780 | 108 (13.1) |
Respiratory symptom length (j) – mean (SD) | 806 | 4.1 (5.3) |
Feeding difficulties | 799 | 309 (37.6) |
Temperature | 738 | |
< 38°C | 373 (45.4) | |
[38-39°C] | 211 (25.7) | |
≥ 39°C | 154 (18.8) | |
Previous antibiotherapy | 816 | 124 (15.1) |
Age-related respiratory rate [6] | 747 | |
1 point | 427 (52.0) | |
2 points | 101 (12.3) | |
3 points | 219 (26.7) | |
Global score for retraction signs | 798 | |
0 point | 233 (29.2) | |
1 point | 454 (56.9) | |
2 points | 83 (10.4) | |
3 points | 28 (3.5) | |
Oxygen saturation | 747 | |
≥95% | 642 (85.9) | |
<95% | 105 (14.1) | |
Crackles | 814 | 81 (9.9) |
Bronchitis rales | 814 | 272 (33.1) |
Otitis | 789 | 104 (12.7) |
Conjunctivitis | 802 | 27 (3.3) |
Toxic appearing | 817 | 35 (4.3) |
Chest radiography | 821 | 427 (52.0) |
Hospitalisation | 821 | 350 (42.6) |