Table 4.
Factors affecting feasibilitya.
Factorb | Feasible studies (n = 3) | Infeasible studies (n = 11) | P value |
---|---|---|---|
Source of funding - % industryc | 66.7 | 9.1 | 0.038 |
Participating centres – median (IQR) - n | 2 (2, 14) | 1 (1, 5) | 0.75 |
Sample size – median (IQR) - n | 120 (111, 194) | 60 (38, 106) | 0.02 |
Study duration – median (IQR) - months | 49 (35, 52) | 21 (13, 27) | 0.74 |
Recruitment rate – median - no. patients per month | 2.2 (0.2, 2.6) | 0.5 (0.3, 12.3) | 0.78 |
Based on the fourteen studies in which a primary outcome measure was clearly defined.
Consent rates were not included in the table as consent data was only provided for two of the 14 studies in which the primary outcome was reported.
Choong et al had a small grant from industry but was primarily funded by granting agencies.