reason for exclusion | PubMed MEDLINE search | CIG Trials Registry group |
---|---|---|
INITIALLY IDENTIFIED | 139 | 312 |
libraries unable to locate | 0 | 15 |
unrelated to brain injury | 2 | 3 |
duplicate publications | 2 | 8 |
inaccurately claimed to be a controlled trial | 22 | 47 |
inaccurately claimed to use randomization | 11 | 30 |
abstracts / letters-to-the-editor | 1 | 31 |
protocol descriptions | 3 | 0 |
incomplete / preliminary reports | 0 | 4 |
non-human subjects | 0 | 1 |
TOTAL NUMBER DISCARDED | 41 | 139 |
REMAINING | 98 (70% of initially identified) | 173 (55% of initially identified) |