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Table 2 Multivariate analysis of risk factors in relation to overall survival

From: Cavernous sinus involvement is not a risk factor for the primary tumor site treatment outcome of Sinonasal adenoid cystic carcinoma

  Univariate analysis Multivariate analysis
Variables Hazard ratio (95% CI) P-value Adjusted hazard ratio (95% CI) P-value
Age (yr)
  ≤ 65 1   1  
  > 65 1.529 (0.523–4.471) 0.438 2.119 (0.554–8.105) 0.273
Sex
 Female 1   1  
 Male 0.863 (0.391–1.905) 0.715 1.284 (0.423–3.899) 0.659
Clinical stage
 I, II, III 1   1  
 IV 2.898 (1.088–7.719) 0.033* 2.397 (0.612–9.386) 0.209
Surgery
 No 1   1  
 Yes 0.358 (0.161–0.794) 0.012* 0.690 (0.247–1.927) 0.479
Skull base invasion
 No 1   1  
 Yes 3.054 (1.290–7.233) 0.011* 2.693 (0.611–11.858) 0.190
Infratemporal fossa invasion
 No 1   1  
 Yes 2.414 (1.041–5.600) 0.040* 1.500 (0.447–5.027) 0.512
Cavernous sinus invasion
 No 1   1  
 Yes 1.874 (0.718–4.893) 0.200 0.541 (0.138–2.128) 0.380
  1. Abbreviations: CI confidence interval
  2. *statistically significant