| Additional examinations | Number | Percentage (%) |
| Chest X-ray | ||
| Not done | 281 | 77.8 |
| Normal | 35 | 9.7 |
| Pulmonary translucency | 4 | 1.1 |
| Thoracic enlargement | 35 | 9.7 |
| Other | 6 | 1.7 |
| Total IgE | ||
| Not done | 295 | 81.7 |
| Normal | 20 | 5.5 |
| High | 46 | 12.7 |
| Dosage of specific IgE | ||
| Not done | 331 | 91.7 |
| Positive | 24 | 6.6 |
| Negative | 6 | 1.7 |
| Allergen (specific IgE) | ||
| Cotton | 12 | 50 |
| Isocyanates | 8 | 33.3 |
| Flour | 3 | 12.5 |
| Latex | 1 | 4.2 |
| Spirometry | ||
| Normal | 103 | 28.5 |
| Obstructive syndrome | 214 | 59.3 |
| Restrictive syndrome | 1 | 0.3 |
| Mixed syndrome | 43 | 11.9 |