/1 | /3 | /3 | /2 | /4 | /1 | /5 | /1 | /20 | |
Author | Objective | Study design | Study population | Intervention | Outcomes | Statistics | Results/conclusions | Competing interest/support | Total |
Skarda et al1 | 1 | 0 | 3 | 1 | 3 | 1 | 3 | 0 | 12 |
Watson et al5 | 1 | 1 | 3 | 1 | 4 | 1 | 4 | 0 | 15 |
Fortenberry et al8 | 1 | 0 | 3 | 1 | 3 | 1 | 3 | 0 | 12 |
Steiner et al4 | 1 | 0 | 0 | 1 | 3 | 1 | 2 | 0 | 8 |
A score of >14 indicates a study of adequate quality.