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. 2011 Aug 6;269(3):1019–1025. doi: 10.1007/s00405-011-1716-6

Table 5.

Multivariate analysis

Hazard ratio 95% confidence interval P value
T stage 1.78 1.29–2.45 0.0005
N stage 1.48 0.84–2.61 0.170
Tumor grade 1.47 1.12–1.92 0.006

Association of tumor related factors with recovery