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. 2021 Jan 9;147(7):2117–2126. doi: 10.1007/s00432-020-03495-1

Table 2.

Evaluation of understanding and satisfaction of the informed consent process at study initiation and 6 months later (follow-up)

Study initiation
How much time was between the informed consent talk and therapy start? (n = 80) Absolute number of patients (percentage)
 Up to 1 day 17 (21%)
 Up to 1 week 44 (55%)
 More than 1 week 19 (24%)
How was the information presented? (n = 88)
 Oral only 24 (27%)
 Only by written material 0 (0%)
 Both orally and by written material 64 (73%)
Were different therapy options discussed? (n = 89)
 Yes 46 (52%)
 No 39 (43%)
 I do not remember 4 (5%)
How many conversations did you have with your doctor before signing the informed consent form? (n = 89)
 One 47 (53%)
 Two 26 (29%)
 More than two 16 (18%)
I had enough time to overthink my agreement to therapy (n = 84)
 Fully agree 38 (45%)
 Rather agree 27 (32%)
 Partially 10 (12%)
 Rather not agree 6 (7%)
 Do not agree at all 3 (4%)
How long did the oral explanation about the planned therapy take? (n = 89)
 Up to 5 min 1 (1%)
 Up to 10 min 10 (12%)
 Up to 15 min 12 (13%)
 15–30 min 38 (43%)
 30–60 min 20 (22%)
 More than 60 min 8 (9%)
How much time did you need to read the informed consent material? (n = 75)
 Up to 15 min 28 (38%)
 15–30 min 31 (41%)
 30–60 min 4 (5%)
 More than 60 min 4 (5%)
 I did not read it 8 (11%)
I read the informed consent material completely (n = 89)
 Fully agree 30 (34%)
 Rather agree 23 (26%)
 Partially 20 (22%)
 Rather not agree 9 (10%)
 Do not agree at all 7 (8%)
The aim of the therapy was clearly discussed during the informed consent process (n = 88)
 Fully agree 35 (40%)
 Rather agree 31 (35%)
Partially 16 (18%)
 Rather not agree 4 (5%)
 Do not agree at all 2 (2%)
The consent form was easy to understand (n = 84)
 Fully agree 29 (35%)
 Rather agree 31 (37%)
 Partially 18 (21%)
 Rather not agree 4 (5%)
 Do not agree at all 2 (2%)
I had to ask a lot of questions to understand the informed consent form (n = 82)
 Fully agree 2 (2%)
 Rather agree 6 (7%)
 Partially 19 (23%)
 Rather not agree 35 (43%)
 Do not agree at all 20 (25%)
There were many incomprehensible words in the text (n = 82)
 Fully agree 3 (3%)
 Rather agree 8 (10%)
 Partially 28 (34%)
 Rather not agree 26 (32%)
 Do not agree at all 17 (21%)
I just wanted to sign the informed consent form (n = 87)
 Fully agree 5 (6%)
 Rather agree 20 (23%)
 Partially 17 (19%)
 Rather not agree 20 (23%)
 Do not agree at all 25 (29%)
I felt reassured after the informed consent (n = 88)
 Fully agree 11 (12.5%)
 Rather agree 32 (36%)
 Partially 30 (34%)
 Rather not agree 11 (12.5%)
 Do not agree at all 4 (5%)
Chances and risks were well presented (n = 89)
 Fully agree 31 (35%)
 Rather agree 36 (40%)
 Partially 16 (18%)
 Rather not agree 6 (7%)
 Do not agree at all 0 (0%)
It was important to me to be informed about all side effects (n = 88)
 Fully agree 53 (60%)
 Rather agree 21 (24%)
 Partially 11 (13%)
 Rather not agree 2 (2%)
 Do not agree at all 1 (1%)
The doctor took enough time to explain everything (n = 89)
 Fully agree 51 (57%)
 Rather agree 25 (28%)
 Partially 9 (10%)
 Rather not agree 3 (4%)
 Do not agree at all 1 (1%)
Follow up
Retrospectively, the informed consent displayed things decently (n = 43)
 Fully agree 22 (52%)
 Rather agree 16 (37%)
 Partially 3 (7%)
 Rather not agree 1 (2%)
 Do not agree at all 1 (2%)
Retrospectively, I am satisfied with the information I received (n = 43)
 Fully agree 20 (47%)
 Rather agree 19 (44%)
 Partially 3 (7%)
 Rather not agree 1 (2%)
 Do not agree at all 0 (0%)
I would have liked more information after all (n = 43)
 Fully agree 3 (7%)
 Rather agree 4 (9%)
 Partially 11 (26%)
 Rather not agree 15 (35%)
 Do not agree at all 10 (23%)
The therapy proceeded in the same way as the informed consent talk anticipated (n = 43)
 Fully agree 19 (44%)
 Rather agree 17 (40%)
 Partially 6 (14%)
 Rather not agree 1 (2%)
 Do not agree at all 0 (0%)