Table 2.
Study design by reporting of harms and benefits
| Harms | Benefits | Both/neutral | |
|---|---|---|---|
| Meta-analysis/pooled data | 1 | ||
| Rct | 1 | ||
| Cohort | 1 | 1 | 2 |
| Cross-sectional | 20 | 4 | |
| Ecological | |||
| Case-control | 1 | ||
| Case report | 5 | 1 | |
| All articles | 27 | 8 | 2 |
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