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Pages 239-243

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From page 239...
... Amount of information one has on an individual in the population both for each patient encounter with the health care system and for all of a patient's encounters over time. Computer-based patient record See Patient record, computer-based.
From page 240...
... and that are employed for purposes for which they were not necessarily intended but which may generate new knowledge. Data security Protection of data, especially sensitive data, from accidental or intentional disclosure to unauthorized persons and from unauthorized alteration by techniques such as software and hardware protections, physical measures, and informed, alert staff.
From page 241...
... . Patient record, primary That health care/medical record used by health care professionals while providing patient care services to review patient data or document their own observations, actions, or instructions (Ball and Collen, 1992~.
From page 242...
... Personal identification code A short code entered by a patient, probably on a keypad, at the time of health care services that permits access to his or her database. Primary data See under Data, primary.
From page 243...
... Validity The extent to which data correspond to the actual state of affairs or an instrument that measures what it purports to measure. Internal validity The degree to which one can support a causal relationship between treatment and outcome, given the way they are measured by the data Construct validity The degree to which one can generalize from one analysis to broader theories or models.

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