Table 1. Characteristics of the included articles.
| Characteristics | N=35 | % |
|---|---|---|
| Cancer type | ||
| GU cancer | 7 | 20 |
| Breast cancer | 6 | 17 |
| GI cancer | 6 | 17 |
| Hematologic cancer | 5 | 14 |
| Respiratory cancer | 5 | 14 |
| Multiple myeloma | 3 | 9 |
| Others | 3 | 9 |
| Treatment arms | ||
| Two arms | 30 | 86 |
| Three and above arms | 5 | 14 |
| Number of patients enrolled | ||
| Median | 513 | |
| Q1, Q3 | 301, 856 | |
| Locations where the trial was conducted | ||
| Multiple countries | 25 | 71 |
| Single country | 10 | 29 |
| Length of recruitment period (years) | ||
| Mean (SD) | 3.48 (2.25) | |
GU, genitourinary; GI, gastrointestinal.