Outcome of Transanal Specimen Extraction Surgery for Elderly Colorectal Cancer Patients

Outcome of Transanal Specimen Extraction Surgery for Elderly Colorectal Cancer Patients: a National Database Study in China of 1395 Cases

Retrospective analysis of a cohort of elderly CRC patients (aged ≥ 65 years) underwent transanal-NOSES between August 2008 and February 2022 was constructed. Data were obtained from China NOSES Database (CNDB). The primary outcomes included time to first flatus, postoperative hospital stays, 30-day postoperative complication and hospital mortality. The secondary outcomes were overall survival (OS) and disease-free survival (DFS).

Inclusion Criteria:

patients diagnosed as T1-4N0-2M0 colorectal cancer pathologically

patients underwent transanal-NOSES

patients aged 65 years or older

Exclusion Criteria:

patients with multiple primary colorectal cancer

patients with total colectomy

patients without complete data