Patient characteristics and disease-free survival according to clinical parameters.

Abbreviations: ECOG PS, Eastern Cooperative Oncology Group performance status; CMI, Charlson Comorbidity Index;1 Among 118 patients, 8 had an ECOG PS of grade 2.2 Among 116 patients, 2 underwent proximal gastrectomy and 114 underwent distal gastrectomy.3 Tumor was staged according to the American Joint Committee on Cancer criteria (7th edition).4 Three patients had stage IB and the other patients had stage II.Patient characteristics and disease-free survival according to clinical parameters.