Sernbo 1994.

Methods	Randomised using sealed envelope opened in the operating theatre
Participants	200 patients with a trochanteric fracture treated with a SHS Orthopaedic hospital in Malmo, Sweden Mean age: 80 years % male: 32% Lost to follow up: 2 (1%)
Interventions	SHS screw fixation of a trochanteric fracture with the locking screw to compress the fracture or without
Outcomes	Length of follow up: 4 months Length of surgery Operative blood loss Non‐union rate Occurrence of varus deformity (> 10 degrees) Mortality (38 by 4 months)
Notes	Separate data split by intervention group for mortality and people (7) who were too ill for a radiogram were not provided.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear

SHS = sliding hip screw