Reasons for trials remaining unpublished
| Emergency surgery; number (% of total) | Elective surgery; number (% of total) | All, number (%) | |
| Completed and awaiting publication | 7 (33.3) | 62 (34.4) | 69 (34.3) |
| Ongoing data collection | 4 (19.0) | 65 (36.1) | 69 (34.3) |
| Terminated | 7 (33.3) | 29 (15.6) | 36 (17.9) |
| Unknown | 3 (14.3) | 24 (13.9) | 27 (13.4) |
| Total | 21 (100) | 180 (100) | 201 (100) |
Decimals do not add up exactly to total due to rounding.