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Table 2 Multivariate analysis of prognostic factors for patients with nasopharyngeal carcinoma

From: Nasopharyngeal carcinoma with paranasal sinus invasion: the prognostic significance and the evidence-based study basis of its T-staging category according to the AJCC staging system

Endpoint and Variable P Value Odds Ratio (95% confidence interval)
Overall survival
Age <0.01 1.80(1.35,2.42)
Paranasal sinus involvement <0.01 1.76(1.28.2.42)
Parapharyngeal space extension <0.01 1.95(1.31,2.90)
Intracranial extension <0.01 1.74(1.27,2.40)
N classification 0.02 0.69(0.51,0.93)
Distant metastasis-free survival
Age <0.01 1.75(1.23,2.48)
Paranasal sinus involvement 0.02 1.58(1.08,2.30)
Parapharyngeal space extension 0.04 1.62(1.02,2.58)
Skull base erosion <0.01 2.73(1.45,5.16)
N classification <0.01 0.63(0.44, 0.89)
Local relapse-free survival
Paranasal sinus involvement 0.02 1.91(1.11,3.27)