Fig. 3

The graphs show the mean and standard deviation of each item on the IPPI checklist. The median and [IQR] of each group are given in parentheses according to the group order shown in the graphs. Intervention group 1–3 (IG1-3) and control group (CG); ns = not significant; (A) Item: introduced himself/herself to the patient (4.0 [0]; 4.0 [1]; 4.0 [0]; 4.0 [0]); (B) Item: explained the examination and gave the patient the opportunity to consent (4.0 [0]; 4.0 [1]; 4.0 [0]; 4.0 [1]); (C) Item: Preparation of the examination (4.0 [0]; 4.0 [1]; 4.0 [0]; 4.0 [0]); (D) Item: technical performance (4.0 [0]; 4.0 [1]; 4.0 [0]; 4.0 [0]); (E) Item: being aware of the needs of the patient during examination (3.5 [0.5]; 3.5 [1]; 4.0 [0.5]; 4.0 [0.5]); (F) Item: professionality (4.0 [0]; 4.0 [1]; 4.0 [0]; 4.0 [0])