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| Route of administration | DCT cases* |
|---|---|
| Oral | 78 (67.2) |
| Inhalation | 14 (12.1) |
| Subcutaneous | 7 (6.0) |
| Topical | 7 (6.0) |
| Transdermal | 5 (4.3) |
| Intramuscular | 3 (2.6) |
| Iontophoresis | 1 (0.9) |
| Intravenous | 1 (0.9) |
| Total | 116 (100) |
All data are expressed as a number (proportion %).
DCT, decentralized clinical trial.
*If a trial used more than one drugs, the researchers allowed for duplicates and counted them all.
