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Table 4 Multivariate linear regression analysis for determining metabolic activity

From: Clustering subtypes of breast cancer by combining immunohistochemistry profiles and metabolism characteristics measured using FDG PET/CT

Model Variable Coefficient 95 % CI P Adjusted R2
1 Nuclear Grade 1.119 0.632–1.606 < 0.001 0.238
  Ki-67 0.024 0.007–0.041 0.005  
  Size 0.469 0.270–0.668 < 0.001  
2 Ki-67 0.034 0.016–0.052 < 0.001 0.126
  p53 0.015 0.003–0.028 0.018  
  EGFR 1.823 0.328–3.319 0.017  
  p53*EGFR -0.026 − (0.049 − 0.003) 0.028