for the main comparison.
Low sodium intake compared with high sodium intake for blood pressure | ||||
Patient or population: White population with normal or elevated blood pressure, but otherwise healthy Settings: Hospitals units in Europe and North America Intervention: Low sodium intake Comparison: High sodium intake | ||||
Outcomes | Relative effect (95% CI) | No of Participants (studies) | Quality of the evidence (GRADE) | Comments |
White population, normotensive, SBP mmHg |
‐1.09 (‐1.63 to ‐0.56) | 8569 (89) | ⊕⊕⊕⊕ high | |
White population, normotensive, DBP mmHg |
0.03 (‐0.37 to 0.43) | 8833 (90) | ⊕⊕⊕⊕ high | |
White population, hypertensive, SBP mmHg |
‐5.51 (‐6.45 to ‐4.57) | 5925 (84) | ⊕⊕⊕⊕ high | |
White population, hypertensive, DBP mmHg |
‐2.88 (‐3.44 to ‐2.32) | 6001 (85) | ⊕⊕⊕⊕ high | |
GRADE Working Group grades of evidence
High quality: Further research is very unlikely to change our confidence in the estimate of effect.
Moderate quality: Further research is likely to have an important impact on our confidence in the estimate of effect and may change the estimate.
Low quality: Further research is very likely to have an important impact on our confidence in the estimate of effect and is likely to change the estimate.
Very low quality: We are very uncertain about the estimate. DBP: diastolic blood pressure; SBP: systolic blood pressure |