From: Outcome of a de-labelling algorithm compared with results of penicillin (β-lactam) allergy testing
Allergy testing (data from allergist directed testing) | Outcome of de-labelling algorithm (blinded investigator assessment) | Sum | |
---|---|---|---|
De-labelling | Use alternative antibiotic | ||
β-lactam hypersensitivity excluded | 330 (55.5%) | 265 (44.5%) | 595 (100%) |
Allergic β-lactam hypersensitivity proven (any type) | 21 (10.2%) | 184 (89.8%) | 205 (100%) |
Immediate-type (anaphylaxis) | 8 (11.4%) | 62 (88.6%) | 70 (100%) |
Mild | 7 | 19 | 26 |
Moderate | 1 | 26 | 27 |
Severe | 0 | 17 | 17 |
Delayed-type | 13 (9.6%) | 122 (90.4%) | 135 (100%) |
Measles-like (maculopapular) exanthema | 11 | 106 | 117 |
SDRIFE | 2 | 10 | 12 |
FDE | 0 | 3 | 3 |
DRESS | 0 | 3 | 3 |