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. 2020 Dec 9;21:1011. doi: 10.1186/s13063-020-04902-1

Table 2.

Number of studies meeting follow-up targets (n = 34)

Met initial target (n = 34) Met revised target (n = 3)
Yes 15 (44%) 1 (33%)
No 19 (56%) 2 (67%)

In one case, the follow-up was underestimated from the start but the study was allowed to continue without a revised target. This has been categorised as ‘not meeting initial target’