Comparing CCI and POSSUM to predict complications after gynecologic cancer surgery

A Comparison of the Charlson Comorbidity Index (CCI) vs POSSUM Score for Prediction of Perioperative Complications in Patients Undergoing Oncogynecologic Surgery

Observational Mahidol University · NCT07287280

This project will test whether the Charlson Comorbidity Index (CCI) or the POSSUM score better predicts perioperative complications in adults having elective gynecologic cancer surgery.

Quick facts

Study typeObservational
Enrollment300 (estimated)
Ages18 Years and up
SexFemale
SponsorMahidol University Academic / other
Locations1 site (Bangkok)
Trial IDNCT07287280 on ClinicalTrials.gov

What this trial studies

This observational, single-center study will retrospectively calculate CCI and POSSUM scores for adults who underwent elective onco-gynecologic surgeries and compare those scores to recorded perioperative complications and mortality. Investigators will extract comorbidity data, physiological measurements, and operative details from clinical charts to derive each risk score. Statistical analyses will compare discrimination and calibration metrics, such as area under the ROC curve, sensitivity, specificity, and calibration plots, for each tool. The goal is to determine which score more reliably identifies patients at higher risk of complications to inform perioperative planning.

Who should consider this trial

Good fit: Adults aged over 18 who underwent elective onco-gynecologic surgery at the study center with complete perioperative records are the intended participants.

Not a fit: Patients who had emergency surgery or whose charts lack key perioperative data (for example, missing anesthetic records) are excluded and would not benefit from the study findings.

Why it matters

Potential benefit: If one score proves more accurate, clinicians could better identify high-risk patients before surgery and target interventions to reduce complications.

How similar studies have performed: Both CCI and POSSUM have shown predictive value in various surgical populations, but direct head-to-head comparisons in onco-gynecologic surgery remain limited.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age \> 18 years
* Patient underwent elective onco-gynecologic surgery

Exclusion Criteria:

* Patient required emergency surgery from any indication
* Patient chart that not contained primary outcome data eg. absent of the anesthetic record

Where this trial is running

Bangkok

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Gynecologic Surgical ProceduresRisk AssessmentPerioperative CareGynecologic oncology surgeryPerioperative complicationsCharlson comorbidity indexPOSSUMMortality
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.