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References from Does Early Surgery Reduce Mortality Compared With Delayed Surgery Among Patients With Periprosthetic Hip Fracture? A Target Trial Emulation. Local targets link to admitted publications; unresolved targets remain external evidence.
Epidemiology of periprosthetic fracture of the femur in 32,644 primary total hip arthroplasties: a 40-year experience
10.1302/0301-620x.98b4.37201 · 2016 · External reference
A systematic review of validated methods for identifying cerebrovascular accident or transient ischemic attack using administrative data
10.1002/pds.2312 · 2012 · External reference
Impact of early resumption of oral anticoagulation on recurrence after surgery for chronic subdural hematoma in patients with atrial fibrillation: a target trial emulation
10.1002/pds.70063 · 2024 · External reference
Early surgery does not improve outcomes for patients with periprosthetic femoral fractures: results from the Registry for Geriatric Trauma of the German Trauma Society
10.3390/medicina57060517 · 2021 · External reference
Early morbidity but not mortality increases with surgery delayed greater than 24 hours in patients with a periprosthetic fracture of the hip
10.1016/j.arth.2019.06.027 · 2019 · External reference
Is the time to revision surgery after peri-prosthetic fracture of the knee associated with increased rates of post-operative complications?
10.1016/j.artd.2019.05.002 · 2019 · External reference
Periprosthetic fractures: the next fragility fracture epidemic? A national observational study
10.1136/bmjopen-2020-042371 · 2020 · External reference
Unlike native hip fractures, delay to periprosthetic hip fracture stabilization does not significantly affect most short-term perioperative outcomes
10.1016/j.arth.2018.11.006 · 2019 · External reference
Mortality following periprosthetic proximal femoral fractures versus native hip fractures
10.2106/jbjs.17.00539 · 2018 · External reference
Head-to-head comparison of FOLFIRINOX versus gemcitabine plus nab-paclitaxel in advanced pancreatic cancer: a target trial emulation using real-world data
10.1016/j.annepidem.2022.12.005 · 2023 · External reference
Early surgery for patients with a fracture of the hip decreases 30-day mortality
10.1302/0301-620x.97b1.35041 · 2015 · External reference
Transparent reporting of observational studies emulating a target trial: the TARGET Statement
10.1001/jama.2025.13350 · 2025 · External reference
An economic evaluation of a systems-based strategy to expedite surgical treatment of hip fractures
10.2106/jbjs.i.01132 · 2011 · External reference
Intensive care unit versus high-dependency care unit admission on mortality in patients with septic shock: a retrospective cohort study using Japanese claims data
10.1186/s40560-022-00627-2 · 2022 · External reference
Does early surgery improve outcomes for periprosthetic fractures of the hip and knee? A systematic review and meta-analysis
10.1007/s00402-020-03739-2 · 2021 · External reference
Starting right: aligning eligibility and treatment assignment at time zero when emulating a target trial
10.1136/bmj-2025-084909 · 2026 · External reference
Surgery for a fracture of the hip within 24 hours of admission is independently associated with reduced short-term post-operative complications
10.1302/0301-620x.99b9.bjj-2017-0101.r1 · 2017 · External reference
The clone-censor-weight method in pharmacoepidemiologic research: foundations and methodological implementation
10.1007/s40471-024-00346-2 · 2024 · External reference
Morbidity and mortality after hip fracture: the impact of operative delay
10.1007/s00402-004-0662-9 · 2004 · External reference
The use of Nottingham Hip Fracture score as a predictor of 1-year mortality risk for periprosthetic hip fractures
10.1016/j.injury.2021.12.027 · 2022 · External reference
Time to surgery and 30-day morbidity and mortality of periprosthetic hip fractures
10.1016/j.injury.2013.03.008 · 2013 · External reference
History and profile of Diagnosis Procedure Combination (DPC): development of a real data collection system for acute inpatient care in Japan
10.2188/jea.je20200288 · 2021 · External reference
Causal analyses of existing databases: no power calculations required
10.1016/j.jclinepi.2021.08.028 · 2022 · External reference
How to estimate the effect of treatment duration on survival outcomes using observational data
10.1136/bmj.k182 · 2018 · External reference
Using big data to emulate a target trial when a randomized trial is not available
10.1093/aje/kwv254 · 2016 · External reference
Specifying a target trial prevents immortal time bias and other self-inflicted injuries in observational analyses
10.1016/j.jclinepi.2016.04.014 · 2016 · External reference
A structural description of biases that generate immortal time
10.1097/ede.0000000000001808 · 2025 · External reference
Target trial emulation: a framework for causal inference from observational data
10.1001/jama.2022.21383 · 2022 · External reference
Accelerated surgery versus standard care in hip fracture (HIP ATTACK): an international, randomised, controlled trial
10.1016/s0140-6736(20)30058-1 · 2020 · External reference
Validation study on definition of cause of death in Japanese claims data
10.1371/journal.pone.0283209 · 2023 · External reference
The effect of delay to surgery on morbidity, mortality and length of stay following periprosthetic fracture around the hip
10.1016/j.injury.2015.11.013 · 2016 · External reference
Does delay to theatre influence morbidity or mortality in femoral periprosthetic fractures?
10.1302/2633-1462.56.bjo-2024-0017.r1 · 2024 · External reference
Validation of an administrative claims-based diagnostic code for pneumonia in a US-based commercially insured COPD population
10.2147/copd.s83135 · 2015 · External reference
Post hip fracture orthogeriatric care: a Canadian position paper addressing challenges in care and strategies to meet quality indicators
10.1007/s00198-022-06640-3 · 2023 · External reference
The burden of periprosthetic femoral fractures in England and Wales: insights from the first two years of data collection in the National Hip Fracture Database and regional variation in care
10.1016/j.injury.2024.111609 · 2024 · External reference
Variations in hip fracture inpatient care in Japan, Korea, and Taiwan: an analysis of health administrative data
10.1186/s12913-021-06621-y · 2021 · External reference
Predictive factors for one-year mortality after surgery for periprosthetic femoral fracture: a retrospective multicenter (TRON group) study
10.1016/j.jos.2022.12.015 · 2024 · External reference
Validity of using Japanese administrative data to identify inpatients with acute pulmonary embolism: referencing the COMMAND VTE Registry
10.2188/jea.je20220360 · 2024 · External reference
Mortality after postoperative periprosthetic fracture of the femur after hip arthroplasty in the last decade: meta-analysis of 35 cohort studies including 4841 patients
10.1016/j.arth.2021.09.006 · 2022 · External reference
Variation in the diagnosis of aspiration pneumonia and association with hospital pneumonia outcomes
10.1513/annalsats.201709-728oc · 2018 · External reference
Analysis of trabecular distribution of the proximal femur in patients with fragility fractures
10.1186/1471-2474-14-130 · 2013 · External reference
Validity of diagnostic codes for acute stroke in administrative databases: a systematic review
10.1371/journal.pone.0135834 · 2015 · External reference
How often do complications and mortality occur after operatively treated periprosthetic proximal and distal femoral fractures? A register-based study
10.1097/corr.0000000000002638 · 2023 · External reference
Fixation or revision for periprosthetic fractures: epidemiology, new trends, and projections in the United States
10.2106/jbjs.23.00868 · 2024 · External reference
Periprosthetic femoral fractures following bipolar hemiarthroplasty: a descriptive multicenter study exploring associations with mortality and functional status
10.1016/j.injury.2025.112776 · 2025 · External reference
The impact of surgical timing on mortality and reoperation rates in periprosthetic proximal femoral fractures: a matched multicenter cohort study
2025 · External reference
Data resource profile: JMDC claims databases sourced from medical institutions
10.1002/jgf2.367 · 2020 · External reference
Current incidence and future projection of periprosthetic fractures in South Korea: a study based on national claim database
10.1111/os.13219 · 2022 · External reference
Association between wait time and 30-day mortality in adults undergoing hip fracture surgery
10.1001/jama.2017.17606 · 2017 · External reference
Updating and validating the Charlson comorbidity index and score for risk adjustment in hospital discharge abstracts using data from 6 countries
10.1093/aje/kwq433 · 2011 · External reference
Delay in hip fracture surgery: an analysis of patient-specific and hospital-specific risk factors
10.1097/bot.0000000000000313 · 2015 · External reference
Validation of claims data to identify death among aged persons utilizing enrollment data from health insurance unions
10.1186/s12199-019-0819-3 · 2019 · External reference
A review of studies using Japanese nationwide administrative claims databases
10.37737/ace.23008 · 2023 · External reference
Graphical depiction of longitudinal study designs in health care databases
10.7326/m18-3079 · 2019 · External reference
Does time to surgery affect outcomes for periprosthetic femur fractures?
10.1016/j.arth.2017.10.045 · 2018 · External reference
Effect of early surgery after hip fracture on mortality and complications: systematic review and meta-analysis
10.1503/cmaj.092220 · 2010 · External reference
Emulation of randomized clinical trials with nonrandomized database analyses: results of 32 clinical trials
10.1001/jama.2023.4221 · 2023 · External reference
Validity of diagnoses, procedures, and laboratory data in Japanese administrative data
10.1016/j.je.2016.09.009 · 2017 · External reference
Updated information on the Diagnosis Procedure Combination data
10.37737/ace.24015 · 2024 · External reference
Epidemiological trends in periprosthetic hip and knee fractures in older adults in Japan, 2019-2023: a descriptive study
10.1016/j.jos.2026.02.005 · 2026 · External reference