Medical history and comorbidities
| Subjects | 1465 |
| Medical history | |
| Aspirin intolerance | 160 (10.9) |
| Widal syndrome | 101 (6.9) |
| Food allergy | 153 (10.5) |
| Drug allergy | 207 (14.1) |
| Atopic dermatitis | 225 (15.4) |
| Allergic bronchopulmonary aspergillosis | 40 (2.7) |
| Churg–Strauss syndrome | 15 (1) |
| ENT disease | 862 (58.9) |
| Chronic rhinitis | 655 (44.7) |
| Chronic rhinosinusitis | 358 (24.5) |
| Polyposis | 265 (18.1) |
| Comorbidities (ENT disease excluded) | |
| No comorbidity | 387 (26.5) |
| 1 comorbidity | 435 (29.8) |
| 2 comorbidities | 290 (19.8) |
| ≥3 comorbidities | 350 (23.9) |
| Missing data | 3 |
| Gastro-oesophageal reflux disease | 573 (39.1) |
| Arterial hypertension | 372 (25.5) |
| Diabetes | 149 (10.2) |
| Ischaemic cardiopathy | 72 (5) |
| Sleep apnoea | 161 (11) |
| Osteoporosis | 156 (10.7) |
| Anxiety | 579 (39.5) |
| Depression | 208 (14.2) |
| Other mental disorder | 32 (2.2) |
| Anxiety and depression determined with self-assessment questionnaires | 1367 |
| Anxiety level (HADS-A) | 7.4±4.4 |
| Presence of anxiety (score >7) | 583 (43.3) |
| Absence of anxiety (score ≤7) | 763 (56.7) |
| Missing data | 21 |
| Depression level (HADS-D) | 5.1±3.8 |
| Presence of depression (score >7) | 320 (23.6) |
| Absence of depression (score ≤7) | 1038 (76.4) |
| Missing data | 9 |
Data are presented as n, n (%) or mean±sd. ENT: ear, nose and throat; HADS: Hospital Anxiety and Depression Scale; A: anxiety; D: depression.