A comparison of standardized and proportional mortality ratios.

  title={A comparison of standardized and proportional mortality ratios.},
  author={Eve Roman and Valerie Beral and Hazel Inskip and M. E. McDowall and A. M. Adelstein},
  journal={Statistics in medicine},
  volume={3 1},
Proportional mortality analyses are traditionally considered to be unreliable because they lack information on persons at risk. Standardized mortality ratios (SMRs) are often used in preference to proportional mortality ratios ( PMRs ) even when the denominator or numerator of rates is known to be biased. Examination of data from 30 randomly selected occupational units described by the U.K. Office of Population Censuses and Surveys ( OPCS ) revealed, however, that age-standardized cause… CONTINUE READING