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Table 1 Confidence in effect estimates with interpretation

From: Effects of preventive use of compression stockings for elderly with chronic venous insufficiency and swollen legs: a systematic review and meta-analysis

Quality of evidence Interpretation
High Further research is very unlikely to change our confidence in the estimate of effect.
Moderate Further research is likely to have an important impact on confidence in the estimate of effect and may change the estimate.
Low Further research is very likely to have an important impact on confidence in the estimate of effect and is likely to change the estimate.
Very low Any estimate of effect is very uncertain.