137 Conversion of STOPP/START version 2 into coded algorithms - SI Table SI1.4. Episode columns and their allowed objects, attributes, and operators. # Object Attribute Operator Value Explanation Episode [not] exists icpc1nl equals (=), not equals (!=) Contains one or more (Dutch) ICPC1 codes (e.g. T90), optionally with sub codes (e.g. T90.1) or wildcards (e.g. T90*), separated by commas (e.g. T90, T91). icpc2 Contains one or more ICPC2 codes (e.g. T90), optionally with wildcards (e.g. T90*), separated by commas (e.g. T90, T91). icd9 Contains one or more ICD9 codes (e.g. 427), optionally with sub codes (e.g. 427.31) or wildcards (e.g. 427.3*), separated by commas (e.g. 427.31, 428). icd10 Contains one or more ICD10 codes (e.g. I48), optionally with sub codes (e.g. I48.2) or wildcards (e.g. I48*), separated by commas (e.g. I48.2, I50). frequency equals (=), not equals (!=), greater than (>), less than (<) Contains a number indicating the frequency of the episode occurrence, for example for hypoglycaemic episodes (e.g. 1, 2). Is always followed by interval. duration Contains a number indicating how long the episode has been active (e.g. 1, 2). Is always followed by interval. interval equals (=) Contains one of the following characters indicating a time interval: Y (years), M (months), W (weeks). Always preceded by frequency or duration. active equals (=), not equals (!=) Contains a yes/no value indicating whether the episode is currently active or historical (i.e. YES, NO). 2
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