Table 1 Inclusion exclusion criteria

Type of study

RCTs, retrospective and prospective comparative observational studies

Systematic reviews, conference abstracts, case series, case reports, narrative reviews, editorials, opinions and studies performed in animals

Population

Adults with intertrochanteric hip fractures with subtrochanteric extension or subtrochanteric fractures

Stable fractures alone

Geographical location

Publications from any country

None

Interventions

Integrated 2 screw derotation cephalomedullary device (InterTAN)

Other nails other than InterTAN and PFNA.

Less than 12 months follow-up

Comparators

Single screw cephalomedullary nail (PFNA)

Other nails other than InterTAN and PFNA.

Less than 12 months follow-up

Outcomes of interest

Functional measures (i.e. quality of life scores and pain, Harris Hip Score) and post-operative implant-related failures (i.e. cutout, varus collapse, shaft fractures), non-union, reoperation/revisions and procedure measures (i.e. operative time, blood loss, fluoroscopy time)