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. 2019 Jan 18;26(4):489–500. doi: 10.1177/1352458518823955

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© The Author(s), 2019

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — Decision tree, from the first contact until the decisions on the clarification tests are taken.

L: lead the tests; R: refer to other medical doctor; N: no action.

Percentages displayed next to branches illustrate what population fraction within a node entered a specific branch and sum up to 100% for each bifurcation. Numbers indicated at each tree endpoint provide the frequency of participants who have had that combination of events, as well as their share (%) of the entire sample. Numbers in bold, on the right-hand side of the figure, are the most frequent action for each node.