Outcome of skin tests and drug provocation tests performed for the diagnosis of beta-lactam hypersensitivity
| Test | Positive n (%) | Negative n |
| SPT (n=229) | 1 (0.4%) | 228 |
| IDT (n=32) | 0 | 32 |
| Patch test (n=205) | 2 (0.9%) | 203 |
| DPT (n=226) | 17 (7.5%) | 226 |
DPT, drug provocation test; IDT, intradermal test;SPT, skin prick test.