A comparison of standardized and proportional mortality ratios.
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 b...
| Main Authors: | , , , , |
|---|---|
| 格式: | Journal article |
| 語言: | English |
| 出版: |
1984
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