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11 February, 17:58

In 1990, there were 4,500 deaths due to lung diseases in miners aged 20 to 64 years. The expected number of deaths in this occupational group, based on age-specific deaths rates from lung diseases in all males aged 20 to 64 years, was 1,800 during 1990. What is the standardized mortality ratio (SMR) for lung disease in miners

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  1. 11 February, 18:28
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    2.5

    Step-by-step explanation:

    We have that the standardized mortality ratio (SMR) is the relationship between the number of deaths observed in a year, that is, those that occurred and the number of expected deaths, that is, those that were predicted.

    SMR = observed / expected

    therefore if we replace we have:

    SMR = 4500/1800

    SMR = 2.5

    Which means that the standardized mortality ratio (SMR) is 2.5
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