What question did this study set out to answer?

To provide an efficient, simplified shortcut formula for calculating confidence intervals for Poisson-distributed random variables and standardized mortality ratios.

July 1, 1985American Journal of Epidemiology

Another Shortcut Method for Calculating the Confidence Interval of a Poisson Variable (Or of a Standardized Mortality Ratio)

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To provide an efficient, simplified shortcut formula for calculating confidence intervals for Poisson-distributed random variables and standardized mortality ratios.
Derived an algebraic approximation to determine the upper and lower confidence limits of a Poisson variable.
Formulated mathematical adjustments suitable for direct application to standardized mortality ratios in epidemiologic research.
Provides an explicit shortcut formula reducing the computational steps required to establish confidence limits compared to exact iterative calculations.
Enables rapid estimation of confidence bounds for standardized mortality ratios without requiring specialized statistical tables.

Implication

Methodological paper demonstrates a shortcut formula for Poisson confidence limits in epidemiologic data, highlighting simplified calculation of standardized mortality ratios.

Abstract

Hans K. Ury, Alvin D. Wiggins; ANOTHER SHORTCUT METHOD FOR CALCULATING THE CONFIDENCE INTERVAL OF A POISSON VARIABLE (OR OF A STANDARDIZED MORTALITY RATIO), Ame

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Cite This Study

Ury et al. (1985) studied this question.

synapsesocial.com/papers/6a734079b7c0b64c22c3ff25 https://doi.org/10.1093/oxfordjournals.aje.a114083

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Implication

Methodological paper demonstrates a shortcut formula for Poisson confidence limits in epidemiologic data, highlighting simplified calculation of standardized mortality ratios.

Abstract

Hans K. Ury, Alvin D. Wiggins; ANOTHER SHORTCUT METHOD FOR CALCULATING THE CONFIDENCE INTERVAL OF A POISSON VARIABLE (OR OF A STANDARDIZED MORTALITY RATIO), Ame

Another Shortcut Method for Calculating the Confidence Interval of a Poisson Variable (Or of a Standardized Mortality Ratio)

Key Points

Implication

Abstract

Discussion

Cite This Study

Another Shortcut Method for Calculating the Confidence Interval of a Poisson Variable (Or of a Standardized Mortality Ratio)

Key Points

Implication

Abstract

Discussion

Cite This Study

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