Table 1 Intervention types and forms of outcome assessment.

From: The effects of government policies targeting ethics and governance processes on clinical trial activity and expenditure: a systematic review

 

Number of interventions of each type

Clinical trial activity outcomea

Number of trials

Expenditure on trials

Missing

Ethics

13

11

0

2

Governance

32

27

5

4

Total

45

38

5

6

  1. aNote—some studies reported effects of interventions on both numbers of trials and expenditure on trials.
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