Table 2.
Risk-of-bias assessments
| Study: first author/year | Total score | Low risk of bias |
|---|---|---|
| Aries20/2020 | 7 | ✓ |
| Biernat21/2020 | 7 | ✓ |
| Booth22/2020 | 6 | ✓ |
| Cook23/2020 | 7 | ✓ |
| Dufour24/2020 | 5 | |
| Engelhardt25/2020 | 6 | ✓ |
| Fattizzo26/2020 | 6 | ✓ |
| Ferrara27/2020 | 6 | ✓ |
| Fox28/2020 | 6 | ✓ |
| He29/2020 | 6 | ✓ |
| Hultcrantz30/2020 | 7 | ✓ |
| Infante31/2020 | 6 | ✓ |
| Kuderer32/2020 | 6 | ✓ |
| Lattenist33/2020 | 5 | |
| Lee34/2020 | 8 | ✓ |
| Malard35/2020 | 7 | ✓ |
| Martín-Moro36/2020 | 5 | |
| Mato37/2020 | 6 | ✓ |
| Mehta38/2020 | 7 | ✓ |
| Mei39/2020 | 1 | |
| Passamonti40/2020 | 7 | ✓ |
| Patell41/2020 | 8 | ✓ |
| Razanamahery42/2020 | 5 | |
| Rugge43/2020 | 6 | ✓ |
| Russell44/2020 | 6 | ✓ |
| Sanchez-Pina45/2020 | 7 | ✓ |
| Scarfò46/2020 | 6 | ✓ |
| Shah47/2020 | 8 | ✓ |
| Tian48/2020 | 6 | ✓ |
| Varma49/2020 | 6 | ✓ |
| Wang50/2020 | 7 | ✓ |
| Yang51/2020 | 8 | ✓ |
| Yigenoglu52/2020 | 7 | ✓ |
| ASH registry53/2020 | 2 |