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Table 2 Multiple regression analysis of various radiologic factors

From: Morphologic CT and MRI features of primary parotid squamous cell carcinoma and its predictive factors for differential diagnosis with mucoepidermoid carcinoma

Factors Category β value p value OR (95%CI)
Size   − 0.183 0.541 0.83 (0.46, 1.50)
Shape Oval/lobulated 0.862 0.377 2.37 (0.35, 16.05)
Irregular − 1.232 0.216 0.29 (0.04, 2.05)
Degree enhancement Moderate 1.893 0.453 6.64 (0.05, 927.39)
Marked 0.504 0.548 1.66 (0.32, 8.56)
Necrosis Mild 1.835 0.043 6.27 (1.06, 36.95)
Severe 2.324 0.008 10.22 (1.84, 56.79)
Gradual enhancement Present − 0.999 0.214 0.37 (0.76, 1.78)
LTI Present 0.742 0.411 2.10 (0.36, 12.33)
Age > 51.5 2.893 < 0.001 18.04 (4.01, 81.09)
  1. LTI, local tumor invasiveness