Statistical Analysis
GI cancer, CRC
REGRESSION, GI CANCER
Time-dependent Cox proportional hazards regression models with competing risks were used to calculate hazard ratios (HRs) and 95% CIs, assessing the associations between BMI and GI cancer (CRC and noncolorectal GI). Univariable regression modeling for risk of CRC and noncolorectal GI cancer was performed to determine variables for inclusion in the multivariable model (eTable 1 in 