ABCDEFGHIJKLMNOPQRSTUVWXYZ
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Sensitivities
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How many people have a fever?
How good are the thermometers
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0.10%Has fever55.00%Sensitivity:
If somebody has fever, they catch that 55% of the time
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99.90%No fever98.40%Specificity:
If somebody does not have a fever, they recognize that 98.4% of the time
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Calculations
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How good is the thermometer?
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It says the person has feverIt says the person doesn't have fever
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Are people actually sick?Catches positives when they areFails to catch positives when they are
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55.00%45.00%
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Yes0.10%0.06%0.05%
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Fails to catch negatives when they areCatches negatives when they are
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1.60%98.40%
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No99.90%1.60%98.30%
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Conclusions
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People who test positive and are rejected
1.65%
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Share of rejected that were not sick
97%
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People who test negative and are accepted
98.35%Source
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People who are sick and are still accepted
0.05%
https://sci-hub.tw/https://doi.org/10.1111/j.1365-2702.2010.03565.x
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Share of sick who still go through
45%
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Author:Matt Bell
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Source:
https://sci-hub.tw/https://doi.org/10.1111/j.1365-2702.2010.03565.x
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