Yun 2018.

Study name	Clinical study on analgesia of Top‐Tql lumbar quadratus muscle block induced by ultrasound‐guided after PFNA surgery for senile femoral trochanteric fracture
Methods	Parallel RCT Approved by the ethics committee and informed consent obtained Site: Xiamen 5th Hospital, Fujian, China Data collection: 1 October 2018 to 1 December 2020 Funding: institutional/departmental Registration: ChiCTR1800016421
Participants	90 participants over 65 years old with confirmed femoral trochanteric fracture scheduled for internal fixation  Excluded: local anaesthesia allergy, puncture site infection, severe cardiovascular disease or cerebrovascular complications, severe cognitive dysfunction Type of fracture: trochanteric fracture Anaesthetic technique for surgery: to be determined Surgical technique: to be determined Mean age: to be determined Percentage female: to be determined Length of follow‐up: 72 hours
Interventions	Intervention: quadratus lumborum plexus block (N = 45) Comparator: no block (N = 45)
Outcomes	Relevant to this review. Pain. Not relevant to this review. Opioid side effects. Duration of motor blockade.
Starting date	First posted: 1 June 2018 Study start date: 1 January 2018 (approved by ethics committee on 26 August 2013) Study completion date: 1 December 2020 Last update posted: 1 June 2018
Contact information	Wang Yun
Notes	Conflict of interest: to be determined DOI: to be determined

AMTS: Abbreviated 10‐point Mental Test Score.

ASA: American Society of Anaesthesiologists physical status.

C: Celsius.

CAM Questionnaire: Confusion Assessment Method.

EQ‐5D or EUROQOL: score for measurement of health‐related quality of life.

G: gram.

ICD‐9: list of codes for International Statistical Classification of Diseases and Related Health Problems.

IV: intravenous.

kg: kilogram.

kg/m²: kilogram per square metre.

mm: millimetre.

mmHg: millimetre of mercury. 

MSMC ED: Maimonides Medical Center emergency department.

n: number.

NHS: Nottingham University Hospitals.

NRS: numerical rating scale.

OMC: orientation‐memory‐concentration.

RCT: randomized controlled trial.

RfPB: Research for Patient Benefit.