Patient characteristics | |
Number of patients | 100 |
Age, mean years (SD) | 70 (12) |
Female (%) | 50 |
Type of surgery | |
Colorectal (%) | 14 |
General (%) | 13 |
Urology (%) | 13 |
Orthopaedics (%) | 13 |
Gynaecology (%) | 12 |
Vascular (%) | 10 |
Plastic and reconstructive (%) | 8 |
Neurosurgery (%) | 7 |
Major endoscopy | 4 |
Maxillofacial | 3 |
Ear, nose and throat | 2 |
Opthalmology | 1 |