2005 (%) | 2006 (%) | p Value | |
REB approval not reported (%) | 26/557 (4.7) | 10/578 (1.7) | 0.005 |
Consent not documented (%) | 33/557 (5.9) | 29/578 (5.0) | 0.510 |
No conflict of interest statement (%) | 2/557 (0.4) | 0/578 (0) | 0.241 |
This fraction is expressed as a percentage in parentheses.