ID | Name of indicator | Definition |
---|---|---|
Integrity | ||
DQI-1001 | Unexpected data elements | The observed set of available data elements does not match the expected set. |
DQI-1002 | Unexpected data records | The observed set of available data records does not match the expected set. |
DQI-1003 | Duplicates | The same data elements or data records appear multiple times. |
DQI-1004 | Data record mismatch | Data records from different data sets do not match as expected. |
DQI-1005 | Data element mismatch | Data elements from different data sets do not match as expected. |
DQI-1006 | Data type mismatch | The observed data type does not match the expected data type. |
DQI-1007 | Inhomogeneous value formats | The observed data values have inhomogeneous format across different data fields. |
DQI-1008 | Uncertain missingness status | System indicated missing values (e.g. NA/./Null …) appear where a qualified missing code is expected. |
Completeness | ||
DQI-2001 | Missing values | Data fields without a measurement value. |
DQI-2002 | Non-response rate | The proportion of eligible observational units for which no information could be obtained. |
DQI-2003 | Refusal rate | The proportion of eligible individuals who refuse to give the information sought. |
DQI-2004 | Drop-out rate | The proportion of all participants who only partially complete the study and prematurely abandon it. |
DQI-2005 | Missing due to specified reason | Information in a data collection that is missing due to a specified reason. |
Consistency | ||
DQI-3001 | Inadmissible numerical values | Observed numerical data values are not admissible according to the allowed ranges. |
DQI-3002 | Inadmissible time-date values | Observed time-date values are not admissible according to the allowed time and date ranges. |
DQI-3003 | Inadmissible categorical values | Observed categorical data values are not admissible according to the allowed categories. |
DQI-3004 | Inadmissible standardized vocabulary | Data values are not admissible according to the reference vocabulary. |
DQI-3005 | Inadmissible precision | The precision of observed numerical data values does not match the expected precision. |
DQI-3006 | Uncertain numerical values | Observed numerical values are uncertain or improbable because they are outside the expected ranges. |
DQI-3007 | Uncertain time-date values | Observed time-date values are uncertain or improbable because they are outside the expected ranges. |
DQI-3008 | Logical contradictions | Different data values appear in logically impossible combinations. |
DQI-3009 | Empirical contradictions | Different data values appear in combinations deemed impossible based on empirical reasoning. |
Accuracy | ||
DQI-4001 | Univariate outliers | Numerical data values deviate markedly from others in a univariate analysis. |
DQI-4002 | Multivariate outliers | Numerical data values deviate markedly from others in a multivariate analysis. |
DQI-4003 | Unexpected locations | Observed location parameters differ from expected location parameters. |
DQI-4004 | Unexpected shape | The observed shape of a distribution differs from the expected shape. |
DQI-4005 | Unexpected scale | Observed scale parameters differ from expected scale parameters. |
DQI-4006 | Unexpected proportions | Observed proportions differ from expected proportions. |
DQI-4007 | Unexpected association strength | The observed strength of an association deviates from the expected strength of the association. |
DQI-4008 | Unexpected association direction | The observed direction of an association (e.g. negative, positive) deviates from the expected direction. |
DQI-4009 | Unexpected association form | The observed form of an association (e.g. linear, quadratic, exponential...) deviates from the expected form. |
DQI-4010 | Inter-Class reliability | Differences between classes (e.g. examiners) when measuring the same or similar objects under specified conditions. |
DQI-4011 | Intra-Class reliability | Differences within classes (e.g. examiners) when measuring the same or similar objects under specified conditions. |
DQI-4012 | Disagreement with gold standard | Differences with a gold standard when measuring the same or similar objects under specified conditions. |