Numerators and denominators for percentages
| Trial | Numerator | Denominator |
| DRAFFT | No of K-wire, locking plate or other procedures for patients with fracture of the lower end of the radius | Total no of procedures for patients with fracture of the lower end of the radius |
| ProFHER | No of surgical or non-surgical procedures for patients with fracture of the upper end of the humerus | Total no of procedures for patients with fracture of the upper end of the humerus |
| AIM | No of surgical procedures for patients with ankle fractures | n/a (see above text) |
AIM, Ankle Injury Management; DRAFFT, Distal Radius Acute Fracture Fixation Trial; n/a, not applicable; ProFHER, Proximal Fracture of the Humerus: Evaluation by Randomisation.