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. 2015 May 26;20(5):888–895. doi: 10.1007/s00776-015-0737-1

Fig. 3.

Fig. 3

The Bland and Altman plot displays the agreement of the two trials of the Two-Step test with 5–9 day intervals. The line in the graph indicates the mean of the difference between the first and second trial. The dashed line indicates mean ± 2SDs