Comparison of Clinical Characteristics of Patients in Arm A and Arm B^a.

aArm A, irinotecan followed by oxaliplatin-based regimens; arm B, oxaliplatin followed by irinotecan-based regimens. SD: standard deviation; CCI: Charlson comorbidity index; CVD: cardiovascular disease; CKD: chronic kidney disease. bStudent’s t-test for continuous variables cChi-square test for categorical variables. Comparison of Clinical Characteristics of Patients in Arm A and Arm Ba.