Patterns of Practice and Improvements in Survival Among Patients With Stage 2/3 Rectal Cancer Treated With Trimodality Therapy.

All predictors (treatment group, year of diagnosis, clinical stage) in the ordinal logistic regression model with pathologic stage as the outcome were highly significant by likelihood ratio χ 2 tests ( P < .001; supporting data illustrated in Figure 2 ).

also in 132,142 other papers