Table 2.

Cox proportional hazard analysis of overall survival in colorectal cancer patients

Variable	HR1	95% CI2	P-value
BMI
High (≥ 30)	reference
Low (≤ 25)	2.49	1.06-5.9	0.037*
Age	1.03	1.00-1.1	0.071
Sex
Female	reference
Male	0.59	0.28-1.2	0.16
Disease Stage
I-II	reference
III-IV	3.44	1.58-7.5	0.002*

Global P-value (log-rank) = 0.0006^*; Concordance index = 0.72;

¹HR: adjusted hazard ratio, estimated using the Cox proportional hazards model.

²CI: confidence interval.

^*P-value statistically significant.