Table 4.
Demographic and clinical characteristics of patients referred for penicillin allergy delabeling
| N (%) or mean ± SD | |
|---|---|
| Demographics | |
| Age (median, y) | 56 ± 15 |
| Female sex | 49 (73.1) |
| Duration of allergy label | |
| Median, y | 11.0 ± 14.3 |
| Implicated drug | |
| β-Lactam antibiotics | 67 (100.0) |
| Non-β-lactam antibiotics | 23 (34.3) |
| NSAID | 11 (16.4) |
| Other | 14 (20.9) |
| Number of implicated drug(s) | |
| Single | 26 (38.8) |
| Multiple | 41 (61.2) |
| Type of index reaction | |
| Immediate (<1 h) | 25 (37.3) |
| Nonimmediate (≥1 h) | 16 (23.9) |
| Unknown | 26 (38.8) |
| DrHy-Q score | |
| Baseline | 40.8 ± 21.7 |
| After allergy investigation | 26.6 ± 22.5 |
| Percentage change (%) | −39.7 ± 39.3 |
DrHy-Q, Drug Hypersensitivity Quality of Life Questionnaire; NSAID, nonsteroidal anti-inflammatory drugs; SD, standard deviation.