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Table 4 Comparison of mean EGFR IHC scores with clinicopathologic parameters

From: Prognostic utility of epidermal growth factor receptor (EGFR) expression in prostatic acinar adenocarcinoma

   mean ± SD P-value
Overall   6.80 ± 27.96  
Age Groups ≤70 years 9.40 ± 34.94 0.090
  > 70 years 2.45 ± 5.10
Total gleason scoreª 6 0.25 ± 1.60 0.001
7 1.55 ± 4.64
8 3.11 ± 5.46
9 24.92 ± 55.06
WHO grade groupª Grade 1 0.25 ± 1.60 0.003
Grade 2 1.20 ± 4.15
Grade 3 3.75 ± 7.50
Grade 4 3.11 ± 5.46
Grade 5 24.92 ± 55.06
Tumor Quantificationª < 10% 0.52 ± 2.50 0.091
10–50% 1.28 ± 4.26
> 50% 12.00 ± 37.39
Perineural invasion Present 5.28 ± 6.77 0.643
Absent 7.71 ± 35.01
Lymphovascular invasion Present 5.00 ± 0.00 0.910
Absent 6.85 ± 28.31
Extraprostatic extension Present 0.00 ± 0.00 0.510
Absent 7.21 ± 28.74
Seminal vesicle invasion Present 6.00 ± 6.92 0.954
Absent 6.83 ± 28.41
  1. Independent t test was applied.
  2. ªANOVA was applied
  3. P ≤ 0.05, considered as significant