Fig. 1
From: Integrating terminologies into standard SQL: a new approach for research on routine data
Original sample of a handwritten index card (anonymized). In preparation for each commission meeting on reducing infant mortality (IM), the chairman of the commission prepared such an index card (N = 1868). The index cards contain basic demographic data regarding the mother and child and free text regarding anamnesis, birth, postnatal treatment and course of death. The index cards also contain a color-coding system denoting a premature birth (a red mark on top of the card) and a (lethal) malformation (a yellow mark). Additionally, the index cards included the final judgment made by the commission if the case was avoidable, conditionally avoidable or not avoidable. In many cases, the index cards also contained a revision of the initial judgment and an explanatory statement