| Periodicity | Effective | Percentage |
| Admission hours |
|
|
| 08:00 - 16:00 | 170 | 49.7 |
| 16:00 - 08:00 | 172 | 50.3 |
| Month of admission |
|
|
| January | 13 | 3.8 |
| February | 31 | 9.1 |
| March | 17 | 5 |
| April | 15 | 4.4 |
| May | 10 | 2.9 |
| June | 14 | 4.1 |
| July | 19 | 5.6 |
| August | 36 | 10.5 |
| September | 71 | 20.8 |
| October | 44 | 12.9 |
| November | 44 | 12.9 |
| December | 28 | 8.2 |
| Family atopy |
|
|
| Yes | 66 | 19.3 |
| No | 276 | 80.7 |
| Notion of familial asthma |
|
|
| Yes | 74 | 21.6 |
| No | 268 | 78.4 |
| Number of attacks |
|
|
| 1st Episode | 291 | 85.1 |
| 2nd Episode | 51 | 14.9 |