Numerical range
|
−4 to +13
|
−7 to +7
|
n/a
|
Format
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Ten questions answered ‘yes,’ ‘no,’ or ‘don’t know,’ each with a numerical value; numbers summed for final score. Higher scores indicate greater likelihood of causality.
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An algorithm with six separate axes/flowcharts. Each axis contributes points to the final score. Higher scores indicate greater likelihood of causality.
|
Contains six categories; the user selects the one for which most criteria are met.
|
Distinguishes irreversible adverse events from other adverse events?
|
No
|
Yes
|
No
|
Addresses methods used to confirm adverse event?
|
Yes
|
No
|
No
|
Asks about serum medication levels?
|
Yes
|
Yes
|
No
|
Considers prior experience with medication?
|
Yes
|
Yes
|
Yes
|
Considers alternate etiologies?
|
Yes
|
Yes
|
Yes
|
Questions about rechallenge?
|
Yes
|
Yes
|
Yes
|
Questions about dechallenge?
|
Yes
|
Yes
|
Yes
|