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Table 4 Various analysis models for the risk of death at 18 months in the two groups of patients

From: The effect of primary tumor radiotherapy in patients with Unresectable stage IV Rectal or Rectosigmoid Cancer: a propensity score matching analysis for survival

MethodsPrimary Tumor Radiotherapy
NoYes
 HR (95% CI)P value
COX adjustedaReference0.62(0.40–0.98)0.0394
PSM modelReference0.79(0.93–1.45)NS
IPTW modelReference0.70(0.55–0.99)0.0436
PS-AdjustedbReference0.74(0.50–0.94)0.0254
  1. aAdjusted covariates included age, KPS, T stage, N stage, M stage, differentiation, chemotherapy cycle, second-line chemotherapy, chemotherapy response, and metastatic lesion radiotherapy
  2. bPropensity scores were adjusted
  3. NS Not significant
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Radiation Oncology

ISSN: 1748-717X

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