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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