Table 1. Baseline demographics and characteristics of patients (n = 214).
| Characteristic | Value | |
|---|---|---|
| Age at time of desensitization (yr) | 59.3 ± 12.4 | |
| ≥50 years old | 167 (78.0) | |
| Body mass index* (kg/m2) | 26.5 ± 4.8 | |
| 18.5–22.9 | 37 (17.3) | |
| 23.0–27.4 | 90 (42.1) | |
| ≥27.5 | 76 (35.5) | |
| Male sex | 150 (70.1) | |
| Race | ||
| Chinese | 153 (71.5) | |
| Malay | 28 (13.1) | |
| Indian | 22 (10.3) | |
| Others† | 11 (5.1) | |
| Smoking status | ||
| Never | 139 (65.0) | |
| Current | 42 (19.6) | |
| Ex | 33 (15.4) | |
| Comorbidities | ||
| Diabetes mellitus | 68 (31.8) | |
| Musculoskeletal and bone conditions | 36 (16.8) | |
| Chronic kidney disease | 29 (13.6) | |
| Atopic disease‡ | 25 (11.7) | |
| Others | 67 (31.3) | |
| Regular medications used | ||
| Beta-blocker | 108 (50.5) | |
| ACE-inhibitor | 41 (19.2) | |
| Antihistamine | 7 (3.3) | |
| Immunosuppressant | 6 (2.8) | |
| Leukotriene receptor antagonist | 2 (0.9) | |
Values are presented as mean ± standard deviation or number (%).
*One patient did not have documented height and weight; body mass index classification (Asians): normal, 18.0–22.9 kg/m2; overweight, 23.0–27.4 kg/m2; obese, ≥27.5 kg/m2. †Includes Eurasian, Sikh, Filipino, Burmese and Bangladeshi. ‡Includes asthma and allergic rhinitis.