From: Progression criteria in trials with an internal pilot: an audit of publicly funded randomised controlled trials
Number/rate
Type of criteria
Red/amber/green
Stop/go
Missing
Number
18 (18.6%)
39 (40.2%)
0 (0.0%)
Number and rate
1 (1.0%)
4 (4.1%)
Rate
10 (10.3%)
15 (15.5%)