Table 3 Multivariable HRs for overall survival.

From: Impact of Diabetes Mellitus on Head and Neck Cancer Patients Undergoing Concurrent Chemoradiotherapy

Variable

HR

95% CI of HR

P value

Age

1.00

0.99–1.01

0.93

DM

0.97

0.68–1.40

0.87

Stage*

  

0.02

    Stage III

1.75

0.78–3.93

0.18

    Stage IVA

2.08

0.97–4.45

0.06

    Stage IVB

2.83

1.28–6.25

0.01

RT dose (Gy)

0.98

0.96–0.99

0.002

Cisplatin dose (mg/m2)

1.00

0.997–1.001

0.25

Weight loss during CCRT (%)

0.99

0.97–1.002

0.09

Infection

1.72

1.32–2.24

0.001

  1. CCRT = concurrent chemoradiotherapy; CI = confidence interval; DM = diabetes mellitus; HR = hazard ratio.
  2. *Reference category: stage I/II.