Table 1 REC letters and outcomes of the ethical review process by type of study
Full decisionAll letters (%)Intervention studies (%)Non-intervention studies (%)Qualitative studies (%)
Provisional then favourable85 (60)19 (44)36 (60)30 (79)
Provisional then unfavourable26 (18)13 (30)9 (15)4 (11)
Unfavourable at first review23 (16)8 (19)11 (18)4 (11)
Provisional, final outcome unknown7 (5)3 (7)4 (7)0 (0)
Total141 (100)43 (100)60 (100)38 (100)