Mattsson 2005.

Methods	Randomised using closed envelopes
Participants	112 patients with an unstable trochanteric hip fracture treated with a SHS Three hospitals in Sweden Mean age: 82 years (range not stated) male: 19% Number lost to follow up: 14 (13%)
Interventions	Augmentation of a SHS fixation of a trochanteric fracture with calcium phosphate cement (Norian SRS) versus SHS fixation without cement.
Outcomes	Length of follow up: 6 months Length of surgery Operative blood loss Sliding of the SHS Cut‐out of the implant Delayed union of the fracture Loosening of the plate Reoperation Abductor strength Mortality Length of hospital stay Pain (at 1 week, 6 weeks, 6 months) Ability to rise from a chair, get of a toilet, climb a step Mobility SF36 outcome score
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear