Table Info

Table 3.

Univariate and multivariable stepwise Cox regression models of DFS

Variable	Univariate		Multivariable
Variable	HR	95% CI	HR	95% CI
Age	1.06	1.05–1.07	1.06	1.05–1.07
Female	1.15	0.91–1.46	-	-
LNs removed > 20	0.68	0.53–0.88	1.51	1.17–1.95
Colon	0.91	0.72–1.15	-	-
Grading
1	Reference	-	-	-
2	1.08	0.75–1.57	-	-
3	1.22	0.84–1.77	-	-
4	1.35	0.90–2.01	-	-

-: these variables were not entered in the final model; Reference: reference group

Declarations

Acknowledgments

The authors express their gratitude towards the staff members of Seyyed-Al-Shohada hospital for their valuable assistance in locating and reviewing the patients’ charts throughout the study. The authors also thank Mr. Nariman Khorsandiardebili for his technical assistance (writing service) in editing the manuscript.

Author contributions

RMR and FMR: Conceptualization, Investigation, Writing—original draft, Writing—review & editing. EM and SM: Conceptualization, Data curation, Investigation, Methodology, Resources, Supervision, Validation, Writing—original draft, Writing—review & editing. MT: Conceptualization, Investigation, Methodology, Project administration, Supervision, Validation, Writing—original draft, Writing—review & editing. AE: Conceptualization, Data curation, Investigation, Methodology, Resources, Supervision, Writing—original draft, Writing—review & editing. AN: Conceptualization, Investigation, Methodology, Resources, Validation, Writing—original draft, Writing—review & editing. SFH: Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Resources, Validation, Visualization, Writing—original draft, Writing—review & editing. All authors read and approved the submitted version.

Conflicts of interest

The authors declare that they have no conflicts of interest.

Ethical approval

The Isfahan University of Medical Sciences Review Board granted ethical approval (No. IR.MUI.REC.1395.2.228) for this study, which complied with the Declaration of Helsinki.

Consent to participate

Informed consent to participate in the study was obtained from all participants.

Consent to publication

Informed consent to publication was obtained from relevant participants.

Availability of data and materials

Data and materials are available upon request from the corresponding author (Sayyideh Forough Hosseini, drhosseini.forough@gmail.com).

Funding

Not applicable.

Copyright

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