Table 1 Showing the level of cumulated type 1-error risk, if a threshold of 5% is applied constantly at each sequential significance testing, on an accumulating number of trial participants
From: Trial Sequential Analysis in systematic reviews with meta-analysis
Number of statistical significance tests | The cumulated type 1-error risk in % |
|---|---|
1 | 5% |
2 | 8% |
5 | 14% |
20 | 25% |
100 | 37% |
Infinitely many | 100% |