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Preoperative waiting time

Preoperative waiting time has been studied in 3 papers since 2024: 3 observational studies in people; 1 in the past year. The newest paper, Nov 20, 2025: “The Preoperative Waiting Time on Long-Term Survival Following Elderly Hip Fracture Surgery”.

Exposure

3 papers study it3 findingsUpdated

See all 3

“a positive linear trend was observed between surgical wait time and mortality.”
The Preoperative Waiting Time on Long-Term Survival Following Elderly Hip Fracture SurgeryGeriatrics (Basel, Switzerland)2025doi:10.3390/geriatrics10060153

1 of its findings points the other way.

C, W, M, H: cells, worms or flies, mice, humans. Dark: independent labs found the same change there. Light: one lab or one study. Outline: nothing yet.

Labs are independent when their papers share no last author and no institution.

Against: findings that point the other way from most findings on the same outcome.

  • 3 independent labs in 3 countries
  • 1 finding against
  • Funder: Kaiser Permanente
  • Humans3

What did studies of Preoperative waiting time find?

2

Studies of Preoperative waiting time measured 2 outcomes; the most studied are ambulation (1 study) and mortality (1).

Ambulation

no changein humans1

1 study

  1. Preoperative waiting time was not clearly linked with ambulation in humans (hip fracture).

    “While no statistically significant relationship was found between preoperative waiting time and ambulation”

    Humanship fractureaverage 5.1 yearsn = 289

    Beyond the guidelines: outcomes of extremely delayed hip fracture surgery in elderly

    BMC musculoskeletal disorders

Mortality

no changein humans1

1 study

  1. Preoperative waiting time was not clearly linked with mortality in humans (femoral neck fracture treated with hemiarthroplasty).

    “Perioperative factors such as preoperative waiting time, early surgical complications, or experience of the surgeon were not associated with a higher overall mortality.”

    Humansfemoral neck fracture treated with hemiarthroplastyn = 458

    Predictors of long-term mortality in older patients with hip fractures managed by hemiarthroplasty: a 10-year study based on a population registry in Saxony, Germany

    Patient safety in surgery

What is Preoperative waiting time linked with?

1

Studies link Preoperative waiting time with 1 measure, most often mortality (1 study).

Mortality

upin humans1

1 study

  1. Preoperative waiting time is associated with mortality in patients without preoperative anticoagulation.

    “a positive linear trend was observed between surgical wait time and mortality.”

    Humansin patients without preoperative anticoagulation

    The Preoperative Waiting Time on Long-Term Survival Following Elderly Hip Fracture Surgery

    Geriatrics (Basel, Switzerland)

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