The new number, the agency said, is "not significantly different" and continues to fall within the confidence interval established earlier.

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Paul Han, a physician at the Maine Medical Center Research Institute, said telling patients about a confidence interval in risk data introduces ambiguity that prompts many to decide not to make a decision or to decide against a proposed intervention.

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There was a time when I might have speculated on the cause but then I learned that rather than continuously update my priors I should instead consider every piece of evidence in isolation and adhere strictly to the absolutely non-arbitrary standard of a 95% confidence interval.

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Bridgend's superior fitness and confidence took its toll after the interval as Steve Ford, Gareth Jones, Adrian Durston, Danzi Niblo and Shawn van Rensburg took the try tally to nine.

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The goal seemed to sap the visitors' confidence and they emerged with caution after the interval.

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