Recording Method | Paper | Initial AIMS | Modified AIMS | |
---|---|---|---|---|
Number of Records | 17,348 | 18,429 | 19,758 | |
Age (years), median (Q25, Q75) | 50.0 (28.0–63.0) | 50.0 (28.0−62.0) | 52.0 (29.0−64.0) | |
BMI, median (Q25, Q75) | 27.5 (22.7−33.5) | 27.4 (22.6−33.2) | 27.6 (22.6−33.5) | |
Gender (%) | Female | 49.0 % | 49.0 % | 50.5 % |
Major Surgical Specialties | Neurosurgery | 12.1 % | 11.3 % | 12.9 % |
Orthopedics | 22.5 % | 21.1 % | 21.1 % | |
Otolaryngology | 11.0 % | 11.7 % | 10.5 % | |
General surgery | 26.3 % | 28.3 % | 27.8 % | |
Case duration (min), median (Q25, Q75) | 173 (112−262) | 167 (108−255) | 167 (109−252) | |
Emergency Cases (%) | 12.6 % | 12.9 % | 13.7 % |