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Table 4 Summary of reasons for refusal across all recruiting trials, in absolute numbers and as a percentage of total refusals (n = 93)

From: Who says “no” to participating in stroke clinical trials and why: an observational study from the Vancouver Stroke Program

Reason

Antithrombotic

Surgical

Device

n (%)

Concern about receiving study drug/device

24

0

2

26 (28)

Not interested in participating in study

9

7

5

21 (23)

Concern about inability to choose intervention vs control

3

9

0

12 (13)

Unable to commit to follow-up appointments

6

4

1

11 (12)

Too stressed or busy

2

1

1

4 (4)

Concerns regarding eligibility for travel insurance

3

0

0

3 (3)

Indecision about participation

2

0

0

2 (2)

Family refusal on patient’s behalf

2

0

0

2 (2)

Multiple medical comorbidities

0

1

0

1 (1)

In denial about medical condition

1

0

0

1 (1)

Unknown

7

1

2

10 (11)

Total

59

23

11

93 (100)