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Summary of confidence in ranking of interventions for outcomes (GRADE approach) in studies.
| Outcome | Confidence | Downgrading due to |
|---|---|---|
| SBP | Low | Study limitations; indirectness |
| DBP | Low | Study limitations; indirectness |
| NO | Low | Study limitations; indirectness |
| ET | Low | Study limitations; indirectness |
SBP: systolic blood pressure; DBP: diastolic blood pressure; NO: nitric oxide; and ET: endothelin.
