Table 3 Comparison of type of consent with the type of intervention being studied. (N = number of trials. Note some trials used more than one type of consent)
Type Of Consent | Drug V Placebo (N = 24) | Alternative Pathway V Normal Care (N = 10) | Alternative Process V Normal Care (N = 10) | Device Trial V Placebo or Normal Care (N = 12) | Total |
|---|---|---|---|---|---|
Waived Consent | 8 | 2 | 3 | 9 | 22 |
Informed Consent | 11 | 6 | 1 | 1 | 19 |
Delayed Consent | 2 | 1 | 4 | 1 | 8 |
Relative Proxy | 4 | 2 | 3 | 2 | 11 |
Paramedic Proxy | 2 | – | – | – | 2 |
Consent For Follow Up | 6 | – | 1 | 3 | 10 |
Verbal Consent | 5 | – | – | – | 5 |
Retrospective Consent | – | 2 | – | – | 2 |
Paramedic Consented | – | – | – | 1 | 1 |
Opt Out | – | 1 | – | – | 1 |