For postdiagnosis diet, the ACS-score was associated with lower risk of all-cause (HR<sub>High</sub><sub>v</sub><sub>Low</sub>, 0.62; 95% CI, 0.47 to 0.83) and CRC-specific (HR<sub>High</sub><sub>v</sub><sub>Low</sub>, 0.35; 95% CI, 0.17 to 0.73) mortality, the DASH score was inversely associated with all-cause (HR<sub>High</sub><sub>v</sub><sub>Low</sub>, 0.79; 95% CI, 0.62 to 0.99) and CRC-specific (HR<sub>High</sub><sub>v</sub><sub>Low</sub>, 0.56; 95% CI, 0.35 to 0.89) mortality, and the prudent score was inversely associated with all-cause mortality (HR<sub>High</sub><sub>v</sub><sub>Low</sub>, 0.72; 95% CI, 0.56 to 0.93).