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Table 6 Multivariate analysis for disease-free survival and overall survival

From: Concurrent radiochemotherapy in locally-regionally advanced oropharyngeal squamous cell carcinoma: analysis of treatment results and prognostic factors

Factors Hazard ratio (95% CI)
DFS OS
Performance status (ECOG)
(1 vs. 0)
1.20 (0.56-2.60)
p = 0.634
1.51 (0.59-3.86)
p = 0.395
Cigarette smoking
(current smokers vs. non-smokers)
0.93 (0.25-3.41)
p = 0.909
/
Alcohol consumption
(current drinkers vs. non-drinkers)
1.47 (0.59-3.63)
p = 0.399
1.17 (0.49-2.77)
p = 0.722
T stage
(T4 vs. T2-3)
0.70 (0.28-1.72)
p = 0.431
0.76 (0.29-2.02)
p = 0.582
N stage
(N2-3 vs. N0-1)
0.62 (0.22-1.74)
p = 0.362
1.10 (0.30-4.11)
p = 0.887
Overall stage
(IVA-B vs. III)
8.40 (2.11-33.47)
p = 0.003
3.82 (0.73-19.97)
p = 0.112
Haemoglobin level
≤ 12.5 g/dL vs. > 12.5 g/dL
0.28 (0.13-0.61)
p = 0.002
0.24 (0.10-0.60)
p = 0.002
  1. 95% CI, 95% confidence interval; DFS, disease-free survival; OS, overall survival; ECOG, Eastern Cooperative Oncology Group.