Total number of studies reviewed under Proportionate Review 2018 to 2024 graph - long description

Last updated on 23 Mar 2025

A line graph showing the total number of studies reviewed under Proportionate Review between 2018 and 2024.

On one axis is the number of studies and on the other is the year.

A yellow line shows studies receiving HRA and HCRW Approval which starts at a peak of 1,738 in 2018 and drops each year until 2022 where it reaches a low of 832 studies before a small rise to 926 studies in 2023 and 1,060 studies in 2024.

A blue line showing studies receiving a final opinion from a Research Ethics Committee (UK wide) follows the same trend, starting at 1,294 in 2018, dropping each year until 2022 where it reaches a low of 600 studies before a small increase to 665 studies in 2023 and 793 studies in 2024.

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