Skip to main content

Table 2 Multivariate analysis of factors associated with survival

From: Extracapsular extension is not a significant prognostic indicator in non-squamous cancers of the major salivary glands

Variables Squamous Cell Non-Squamous Cell
Hazard Ratio p-value Hazard Ratio p-value
Age
 ≤54 1 [Reference] 1 [Reference]
 55–64 1.105 0.778 1.313 0.154
 65–74 1.353 0.377 1.467 0.054
 ≥75 2.342 0.006 2.165 < 0.001
Sex
 Female 1 [Reference] 1 [Reference]
 Male 0.987 0.949 1.051 0.723
Race
 White 1 [Reference] 1 [Reference]
 Black 0.871 0.768 1.162 0.443
 Hispanic 1.908 0.113 0.462 0.091
 Asian/Pacific Islander 2.007 0.148 0.386 0.184
 Other/Unknown 0.000 1.000 1.628 0.351
Charlson/Deyo Score
 0 1 [Reference] 1 [Reference]
 1 1.406 0.093 1.430 0.046
 ≥2 1.569 0.153 2.395 0.001
Pathologic T Stage
 1 1 [Reference] 1 [Reference]
 2 1.798 0.070 1.583 0.127
 3 1.791 0.059 2.998 < 0.001
 4 2.781 0.001 3.268 < 0.001
Pathologic N Stage
 1 1 [Reference] 1 [Reference]
 2 1.403 0.077 1.261 0.144
 3 0.876 0.897 0.565 0.443
Grade
 Low 1 [Reference] 1 [Reference]
 Intermediate 1.090 0.824 1.554 0.320
 High 0.719 0.389 2.786 0.009
 Unknown 0.617 0.306 2.471 0.028
Surgical Margins
 Negative 1 [Reference] 1 [Reference]
 Positive 1.350 0.086 1.093 0.505
Radiotherapy
 Not Administered 1 [Reference] 1 [Reference]
 Administered 0.559 0.005 0.622 0.003
Chemotherapy
 Not Administered 1 [Reference] 1 [Reference]
 Administered 0.779 0.236 1.309 0.064
ECE Status
 Negative 1 [Reference] 1 [Reference]
 Positive 1.449 0.042 1.000 0.998