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. Author manuscript; available in PMC: 2014 Jul 3.
Published in final edited form as: Cancer. 2010 Oct 13;117(5):948–956. doi: 10.1002/cncr.25544

Table 3. Final Multivariate Proportional Hazards Model for Survival Outcome.

Disease-Free Survival Overall Survival
HR 95% CI p-value HR 95% CI p-value
BMI < 18.5 kg/m2* 1.64 0.90, 2.97 0.11 2.37 1.28, 4.38 <0.01
BMI > 24.9 kg/m2 0.79 0.55, 1.12 0.19 0.76 0.51, 1.14 0.18
# of Comorbidities†
 1 1.70 1.19, 2.44 <0.01 1.96 1.30, 2.93 <0.01
 2 1.25 0.79, 1.99 0.35 1.50 0.88, 2.57 0.14
 3 2.16 1.22, 3.81 <0.01 3.24 1.73, 6.07 <0.001
Stageº
 II 1.82 1.20, 2.77 <0.01 2.19 1.35, 3.55 <0.01
 III/IV 2.23 1.45, 3.42 <0.001 2.46 1.49, 4.04 <0.001
Positive LN 2.30 1.67, 3.17 <0.0001 2.46 1.72, 3.53 <0.001

HR: Hazard ratio, 95% CI: 95% confidence interval

*

Reference category: BMI 18.5-24.9 kg/m2

†

Reference category: No comorbities

º

Reference category: Stage I