Table 4 Disease characteristics
From: The international survey on the management of allergic rhinitis by physicians and patients (ISMAR)
Type of rhinitis, n (%) | Persistent 926 (33.4) | Intermittent 853 (30.7) | |||
Seasonal 748 (27.0) | Perennial 419 (15.1) | ||||
Key Rhinitis Symptoms for Physician Diagnosis, n (%) | Nasal congestion 2355 (84.8) | Sneezing 2195 (79.1) | |||
Rhinorrhea 2106 (75.9) | Itching 1935 (69.7) | ||||
Main nasal symptom according to patients, n (%) | Nasal blockage 2331 (84) | Sneezing 2221 (80) | |||
Nasal discharge 2101 (76) | Itching 1855 (67) | ||||
Intensity of symptoms according to patients, n (%) | Severe 357 (12.9) | Moderate 1261 (45.4) | |||
Mild 1035 (37.3) | Absent 123 (4.4) | ||||
Frequency of symptoms, n (%) £ | <4 days/week: 850 (30.6%) | >4 days/week: 702 (25.3%) | |||
<4 consecutive weeks: 456 (16.4%) | >4 consecutive weeks: 646 (23.3) | ||||
Causes of symptoms according to patients, n (%) | Outdoor: | Non-specific: | |||
-pollens 1126 (40.6) | - climate changes 2252 (81.1) | ||||
Indoor: | - irritants/pollutants 1422 (51.2) | ||||
- mites 2339 (84.3) | - infections 775 (27.9) | ||||
- moulds 905 (32.6) | Others: | ||||
- dander 851 (30.7) | - food 511 (18.4) | ||||
- drugs 227 (8.2) | |||||
- latex 168 (6.1) | |||||
Sensitizations documented by skin test, n (%) | House dust mites 892 (82.9) | Pollens 506 (47%) | |||
Moulds 312 (29.0) | Other 253 (23.5) | ||||
Pets dander 301 (28.0) | |||||
Co-morbidities, n (%) | Sinusitis 1384 (49.9) | Otitis media 363 (13.1) | |||
Asthma 907 (32.7) | Nasal polyps 310 (11.2) | ||||
Conjunctivitis 1005 (36.2) | |||||
Respiratory symptoms within the last 12 months according to patients, n (%) | Cough | Wheezing | Dyspnea | Chest tightness | |
Recurrent | 1244 (44.8) | 764 (27.5) | 857 (30.9) | 535 (19.3) | |
Nocturnal | 1084 (39.1) | 695 (25.0) | 783 (28.2) | 436 (15.7) | |
Post-exercise | 894 (32.2) | 731 (26.3) | 954 (34.4) | 630 (22.7) | |