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Table 3 Association of tumor characteristics and baseline LDL receptor expression

From: The effect of statin treatment on intratumoral cholesterol levels and LDL receptor expression: a window-of-opportunity breast cancer trial

  Negative Weak Moderate P value
  n = 11 n = 7 n = 9
Age years (median) 62 67 67 0.44
Tumor size mm (median) 20 22 25 0.43
Tumor grade (NHG)     0.28
 I 2 1 3  
 II 4 2 3  
 III 5 4 2  
Mitotic index     0.33
 1 6 1 6  
 2 0 2 1  
 3 5 3 1  
ER (n = 31)     0.25
 Positive 9 7 8  
 Negative 2 0 0  
PR (n = 31)     0.27
 Positive 9 5 7  
 Negative 2 2 1  
HER2 (n = 30)     0.56
 0 3 1 2  
 1+ 3 1 4  
 2+ 2 4 1  
 3+ 3 1 1  
Ki67 index (n = 26)     0.22
 Low 5 3 6  
 High 6 2 2  
HMGCR (n = 38)     0.25
 Negative 7 2 2  
 Positive 4 4 6  
Serum lipid levels (median)     
 LDL pre-treatment 3.74 3.45 3.8 0.84
 HDL pre-treatment 1.6 1.73 1.6 0.26
 Cholesterol pre-treatment 6.2 5.55 6.1 0.67
 Apolipoprotein B pre-treatment 1.01 0.95 1.17 0.22
 Apolipoprotein A1 pre-treatment 1.78 1.66 1.58 0.06
 LDL post-treatment 1.48 1.7 1.8 0.99
 HDL post-treatment 1.63 1.64 1.5 0.41
 Cholesterol post-treatment 4.1 3.5 3.4 0.43
 Apolipoprotein B post-treatment 0.54 0.56 0.66 0.43
 Apolipoprotein A1 post-treatment 1.71 1.51 1.54 0.19
  1. NHG Nottingham histologic grade I-III (post-treatment pathological report), mitotic index according to Nottingham criteria (post-treatment pathological report), baseline tumor data (pretreatment): Ki67 high if > 20%, HMGCR positive if any cytoplasmic staining, ER (estrogen receptor), PR (progesterone receptor), HER2 (human epidermal growth factor receptor 2) P values: linear-by-linear association chi-square test