Table 2 Randomization and participant allocation characteristics of multi-arm brachytherapy trials (n = 245)
From: Review of brachytherapy clinical trials: a cross-sectional analysis of ClinicalTrials.gov
Category | Type | Count | Proportion |
|---|---|---|---|
Allocation | Randomized | 194 | 0.7918 |
Non-randomized | 51 | 0.2082 | |
Intervention model | Parallel assignment | 198 | 0.8082 |
Data not available | 20 | 0.0816 | |
Single group assignment | 17 | 0.0694 | |
Crossover assignment | 4 | 0.0163 | |
Sequential assignment | 4 | 0.0163 | |
Factorial assignment | 2 | 0.0082 |