Table 4 Target and achieved total sample size for all completed studies in the review
All completed studies N = 615 | |
|---|---|
Target sample size achieved? | Frequency (%) |
No | 173 (28%) |
Yes | 128 (21%) |
Unknown | 314 (51%) |
Median (IQR) | |
Target total sample size | 60 (40, 100) |
Total sample size achieved | 57 (35, 83) |
Difference in target and achieved sample size | − 4 (− 25, 0) |
Percentage of final sample size achieved | 93% (65%, 100%) |