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. 2023 Apr 24;2:28. Originally published 2022 Apr 12. [Version 2] doi: 10.3310/nihropenres.13275.2

Table 3. Progression criteria.

Green Amber Red
Feasibility to recruit: % of
potentially eligible patients with
frozen shoulder screened across
5 sites in 12 months eligible for
recruitment
≥33% ≥20% to 32% <20%
Success of consent process: % of
eligible participants consented
≥33% ≥20% to 32% <20%
Intervention delivery: % of
participants receive 1 st injection
as randomised within specified
timeframe
≥75% ≥50% to 74% <50%