Table 2.
Surgical specialty | No (%) of trials |
---|---|
Gastrointestinal surgery | 92 (23) |
Trauma and orthopaedics | 91 (23) |
Ophthalmology | 52 (13) |
Cardiothoracic surgery | 51 (13) |
Gynaecology | 30 (8) |
Urology | 18 (5) |
Breast surgery | 14 (4) |
Vascular surgery | 11 (3) |
Neurosurgery | 10 (3) |
Otolaryngology | 5 (1) |
Plastic surgery | 5 (1) |
Oral and maxillofacial surgery | 4 (1) |
Other | 12 (3) |