TABLE 4.
Quality, risk of bias, funding & COI assessment of RCTs
| Author, year | CEBM level | Random sequence allocation | Allocation concealment | Blinding participants/personnel | Blinding outcome assessment | Incomplete outcome | Selective reporting | Other sources | Funding | COI |
|---|---|---|---|---|---|---|---|---|---|---|
| Plaza, 201116 | 2 | −1 | 0 | −1 | −1 | −1 | 1 | 0 | Non-industry | unclear |
| Achar, 201217 | 2 | −1 | −1 | 1 | 1 | −1 | −1 | 0 | NR | unclear |
| Cutler, 201318 | 2 | −1 | −1 | 1 | −1 | −1 | −1 | 0 | Industry | Yes |
| Marzetti, 201419 | 2 | 1 | 1 | 1 | 0 | 0 | −1 | 0 | Non-industry | None |
| Hathorn, 201520 | 2 | −1 | −1 | 1 | −1 | 1 | −1 | 0 | Industry | No |
| Bizaki, 20169 | 2 | −1 | 1 | 1 | 1 | −1 | −1 | 0 | Non-industry | None |
| Chandra, 201621 | 2 | −1 | −1 | 1 | 0 | −1 | −1 | 0 | Industry | Yes |
| Minni, 201822 | 2 | 0 | 0 | 1 | 1 | −1 | 0 | 0 | NR | No |
| Hanci, 202012 | 2 | −1 | −1 | 1 | 1 | −1 | 1 | 0 | NR | No |
CEBM- Center of Evidence-Based Medicine, NR- not reported; High risk of bias = 1, unknown risk of bias = 0, low risk of bias = −1