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Can big data unlock the secrets to safer surgery?

NCT ID NCT05560815

Knowledge-focused Sponsor: Linkoeping University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Aug 26, 2026 · Last updated Aug 27, 2026 · Updated 1 time

Summary

This study analyzes data from over a million adults who had surgery in Sweden between 2015 and 2020. It aims to identify which patient, anesthesia, and surgical factors are linked to better or worse outcomes, such as survival and complications. By examining the entire perioperative process, the researchers hope to find ways to improve care and reduce suffering.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could identify ways to better predict and improve surgical outcomes, leading to safer, more effective perioperative care.
What could go wrong
This is an observational study, so it cannot prove cause and effect. Results may be influenced by unmeasured factors and may not apply outside Sweden.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 1,500,000 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jan 2022

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

All adult (≥18 years) patients that have undergone any type of surgical procedure during 1 Jan 2015 - 31 Dec 2020 and are registered in the Swedish Perioperative Registry (SPOR).

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Underwent any surgical procedure in Sweden during the time period 1 Jan 2015 - 31 Dec 2020 * Registered in the Swedish Perioperative Registry (SPOR) * ≥18 years of age * Swedish social security number (to enable follow-up) Exclusion Criteria: * incorrect social security number * incomplete mortality data * the patient has chosen to opt-out of the register The first two exclusion criteria are applied because they prevent correct follow-up of the primary outcome measure (mortality)

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Conditions

The condition(s) this trial relates to.

Postoperative Complications

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Surgery

Contacts and locations

Locations

  • Department of Anaesthesia and Intensive Care, Linkoeping University Hospital

    Linköping, Östergötland County, 50185, Sweden

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