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find Keyword "tumor response rate" 1 results
  • Relation between age and postoperative pathological features of patients with colorectal cancer: a real-world study based on DACCA

    ObjectiveTo analyze the relation between age and postoperative pathological features of patients with colorectal cancer from Database from Colorectal Cancerr (DACCA). MethodsThe data in DACCA were updated on January 5, 2022. The patients were selected from DACCA according to the established screening conditions, then were divided into ≤35, 35–59, and ≥60 years old groups. The differences of postoperative pathological (p) TNM (pTNM), pT, pN, pM stages, perineural invasion (PNI), high-risk factors grade, and tumor regression grade (TRG) among the three age groups were analyzed, and the correlation between them was analyzed. ResultsAfter screening, 5 628 data rows were enrolled, of whom 196 patients were <35 years old, 2 382 patients were 35–59 years old, and 3 050 patients were >59 years old. Statistical analysis showed that: ① There were statistical differences in the proportions of pN stage, PNI, and high-risk factors grade in the patients of different age groups (H=27.867, P<0.001; H=6.248, P=0.044; H=19.712, P<0.001, respectively); However, it was not found that there were statistical differences in the proportions of pTNM, pT, pM stages, and TRG after neoadjuvant therapy among different age patients (H=0.920, P=0.631; H=4.923, P=0.085; H=2.272, P=0.321; H=2.337, P=0.311, respectively). The Spearman correlation analysis results showed that there was a weakly negative correlation between the age and pN stage or grade of high-risk factors (rs=–0.070, P<0.001; rs=–0.067, P<0.001, respectively) and a weakly positive correlation between age and TRG after neoadjuvant therapy (rs=0.100, P=0.009). ConclusionDACCA data analysis finds that patients of different age groups shows a negative correlation trend with pN stage or grade of high-risk factors and a positive correlation trend with TRG, which needs to be further verified.

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