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Verification of participant blinding
| Patient guess trial arm | Trial arm |
|
|---|---|---|
| Control subjects (n = 43) | Subjects receiving intradermal immunotherapy (n = 44) | |
| Intradermal immunotherapy (n = 44) | 22 | 22 |
| Control (n = 43) | 21 | 22 |
At the end of the pollen season, participants verified blinding by guessing whether they had received active or control treatment.
