Table 3.
Risk of bias assessment of included RCTs.
| First author and year published | Items on Modified SIGN checklista | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Total | Qualityb | |
| Gausel, 2017 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 6 | A |
| Schwerla, 201586 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 8 | A |
| Hensel, 201687 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 6 | A |
| Peterson, 201260 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 7 | A |
| Licciardone, 201083 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 6 | A |
| Licciardone, 201384 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 9 | A |
| Hensel, 201685 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 5 | L |
RCTs = randomized controlled trials; SIGN = Scottish Intercollegiate Guideline Network
a,b
See Figure 3 for Quality assessment SIGN checklist itemsa and scoringb for randomized controlled trials