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. 2021 Jul 9;23:100811. doi: 10.1016/j.conctc.2021.100811

Table 4.

Issues raised on scientific review of LOIs, by subject area and outcome.

Issue Area Observational
Mental Health
Surgical
Medical
Overall
Approved (4) Disapproved (1) Approved (6) Disapproved (5) Approved (6) Disapproved (6) Approved (10) Disapproved (26) Approved (26) Disapproved (38)
Investigator Qualifications 0 0 0 4 0 1 1 13 1 18
Feasibility within VA 3 0 2 2 2 2 3 8 10 12
Preliminary Data 0 1 0 3 0 3 1 19 1 26
Potential Ethical Issues 0 0 0 2 0 3 1 10 1 15
Design Concerns 0 1 0 3 3 6 6 19 9 29
Statistical Power 1 0 1 4 2 4 3 11 7 19
Competing Studies 0 0 0 0 0 1 2 0 1 2
Other 2 0 0 4 2 3 3 19 7 26

Data table includes only those LOIs that underwent scientific review.