Sarcopenia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Postoperative histopathological diagnosis was rectal cancer. 2.No anticancer treatment, such as immunotherapy, targeted therapy, neoadjuvant chemoradiotherapy, etc., was received before CT or MRI imaging examinations; 3.Complete preoperative abdominal CT scan and rectal MRI imaging data; 4.Complete imaging, clinical data, and other information, including other information such as genetic testing data, if necessary;
Exclusion criteria
Exclusion criteria: 1.Combined with other diseases that seriously affect health, such as serious heart, brain, liver, lung, kidney disease, etc. 2.Combined with other primary tumors; 3.Patients who lack relevant clinical data (such as height, test results, etc.); 4.Patients who have received any chemoradiotherapy before surgery; 5.CT and MRI quality is not sufficient to obtain measurable results;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Receiver operating characteristic curve(ROC);Calibration curve;Area under curve(AUC);Decision Curve Analysis(DCA);specificity;Sensitivity;Accuracy; | — |
Countries
China
Contacts
the First Affiliated Hospital of Shan Tou University Medical College