Table 6 A comparison with a previous review of the inclusion of randomisation factors in the analysis
Study characteristic | Kahan review (2010) | Our results (2019) |
|---|---|---|
Total Trials using at least one balancing factor | 41 | 247 |
  Centre as balancing factor | 35 / 41 (85%) | 80 / 247 (32%) |
 At least one patient level prognostic factor | 24 / 41 (59%) | 189 / 247 (77%) |
Adjusted for All balancing variables in analysis | 14 / 41 (34%) | 147 / 247 (60%) |
Balanced on centre and adjusted for centre | 13 / 35 (37%) | 33 / 80 (41%) |
Balanced on prognostic factor and adjusted for all in analysis | 7 / 24 (29%) | 145 / 189 (77%) |