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Table 3 Multivariate analysis (Cox regression) of long-term survival, adjusting for age, frailty, comorbidity, and TNM stage

From: Impact of frailty on 5-year survival in patients older than 70 years undergoing colorectal surgery for cancer

Variables

B

SE

Wald

p

HR (95.0% CI)

Age

0.028

0.026

1.229

0.268

1.03 (0.98–1.08)

TNM stage

0.723

0.295

5.999

0.014*

2.06 (1.16–3.67)

Charlson Comorbidity Index

0.263

0.085

9.496

0.002*

1.30 (1.10–1.54)

Frailty

0.044

0.315

0.019

0.889

1.05 (0.56–1.94)

  1. *Statistically significant. B regression coefficient, CI confidence interval, HR hazard ratio, SE standard error, Wald test statistic