Fig. 3From: “SpezPat”- common advance directives versus disease-centred advance directives: a randomised controlled pilot study on the impact on physicians’ understanding of non-small cell lung cancer patients’ end-of-life decisionsComparison of concordance probability between the four physicians in intervention and control group; due to the uneven number of participants physician no. 4 exclusively evaluated advance directives from the control groupBack to article page