Risk-of-bias assessment in those included in meta-analysis/regression
| Randomisation | Deviation from intended interventions | Missing outcome data | Measurement outcome | Selection of reported result | Overall risk of bias (RoB2) | |
| Ashrafi et al 22 | ||||||
| Auret et al 23 | ||||||
| Barton et al 24 | ||||||
| Barton et al 25 | ||||||
| Berenson et al 26 | ||||||
| Boele et al 27 | ||||||
| Bruera et al 28 | ||||||
| Bruera et al 29 | ||||||
| Cruciani et al 31 | ||||||
| Cruciani et al 32 | ||||||
| de Oliveira et al 33 | ||||||
| Del Fabbro et al 34 | ||||||
| Jean-Pierre et al 39 | ||||||
| Lee et al 41 | ||||||
| Lower et al 42 | ||||||
| Lund Rasmussen et al 43 | ||||||
| Moraska et al 44 | ||||||
| Morrow et al 45 | ||||||
| Richard et al 46 | ||||||
| Roth et al 47 | ||||||
| Spathis et al 49 | ||||||
| Yennurajalingham et al 30 | ||||||
| Yennurajalingham et al 51 |
Yellow=some concerns, red=high risk of bias, green=low risk of bias.
RoB2, revised Cochrane risk-of-bias tool for randomised trials.