outlier

outlier /out·li·er/ (out´li-er) an observation so distant from the central mass of the data that it noticeably influences results.

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outlier,

1 (in managed care) a case in which costs exceed the allowable amount for the specific diagnosis or treatment. The outlier amount is typically specified in advance in the contract between the provider and payer.

2 (in research) an observation that differs from all others, suggesting that a gross error has occurred in sampling, measurement, or analysis.

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outlier [out´li-er]

an observation so distant from the central mass of the data that it noticeably influences results and must be carefully checked to ensure it is not an error.

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outlier

an extremely high or low value lying beyond the range of the bulk of the data.

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outlier

Managed care A Pt who falls outside of the norm–ie, who has an extremely long length of hospital stay or has incurred extraordinarily high costs. See Extreme outlier, High mortality outlier.