Annual Hospital Volume and and Short-term Postoperative Outcomes After Gastric Cancer Resection

Association of Annual Hospital Volume With Mortality, Reoperation, and Length of Hospital Stay After Gastric Cancer Resection in Switzerland: A Retrospective National Registry Study

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT07072429

Enrollment

3112

Registered

2025-07-18

Start date

2013-01-01

Completion date

2023-03-01

Last updated

2025-07-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Gastric Cancer

Brief summary

The effect of centralisation measures on the operative outcomes after gastric cancer resection in Switzerland has not been highlighted yet. This study aims to investigate the influence of the annual hospital specific case load of gastric cancer resection on short-term postoperative outcomes.

Interventions

PROCEDUREGastric cancer resection

Any kind of surgical gastric cancer resection

Study design

Observational model

COHORT

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

20 Years to No maximum

Inclusion criteria

* All patients with gastric cancer resection in Switzerland between 2013 and 2022.

Exclusion criteria

* incomplete case documentation * age under 20 years * other hospitals than general or surgical hospitals * no index operation

Design outcomes

Primary

Measure	Time frame	Description
Mortality	Periprocedural	The association between the hospital volume and the postoperative mortality of gastric cancer resection as marginal effect with GAM (Generalized Additive Models) logistic regression

Secondary

Measure	Time frame	Description
Reoperation	Periprocedural	The association between the hospital volume and the reoperation rate of gastric cancer resection as marginal effect with GAM logistic regression
Length of hospital stay	Periprocedural	The association between the hospital volume and the length of hospital stay of gastric cancer resection as marginal effect with quantile regression.
Sociodemographic trends	2013 - 2022	—

Countries

Switzerland

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026