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Table 2 Association between clinical pathological variables and SUVmax values

From: Associations between the standardized uptake value of 18F-FDG PET/CT and the prognostic factors of invasive lobular carcinoma: in comparison with invasive ductal carcinoma

 

SUVmax

Total ( n = 105)

ILC ( n = 32)

IDC ( n = 73)

Mean ± SD

Mean ± SD

Mean ± SD

Median (interquartile range)

Median (interquartile range)

Median (interquartile range)

Cancer type (n = 105; 32, 73)a

 ILC (n = 32)

1.99 ± 1.72

  

1.70 (0.50 to 3.05)

 IDC (n = 73)

3.91 ± 3.99

  

2.30 (1.40 to 6.10)

P value

0.032

  

Tumor Grade (n = 105; 32, 73)a

 Grade 1 (n = 35; 9, 26)a

2.07 ± 2.02

1.63 ± 1.36

2.22 ± 2.21

1.70 (1.10 to 2.40)

1.90 (0.00 to 2.40)

1.60 (1.20 to 2.30)

 Grade 2 (n = 53; 18, 35)a

2.97 ± 3.37

1.76 ± 1.54

3.59 ± 3.88

2.20 (1.00 to 3.60)

1.60 (0.00 to 3.20)

2.30 (1.20 to 5.30)

 Grade 3 (n = 17; 5, 12)a

7.02 ± 4.31

3.46 ± 2.46

8.51 ± 4.07

6.70 (4.50 to 8.40)

2.80 (1.50 to 5.30)

7.25 (6.05 to 11.90)

P value

<0.001

0.393

< 0.001

ER (n = 104; 31, 73)a

 Negative (n = 20; 2, 18)a

5.84 ± 5.10

0.80 ± 1.13

6.39 ± 5.06

5.55 (1.90 to 7.85)

0.80 (0.00 to 1.60)

5.95 (2.30 to 8.40)

 Positive (n = 84; 29, 55)a

2.77 ± 2.83

2.14 ± 1.72

3.09 ± 3.23

1.95 (1.20 to 3.45)

1.80 (1.00 to 3.20)

2.10 (1.30 to 4.70)

P value

0.010

0.257

0.007

PR (n = 103; 31, 72)a

 Negative (n = 33; 5, 28)a

4.82 ± 5.00

0.92 ± 0.85

5.52 ± 5.11

2.30 (1.30 to 7.30)

1.30 (0.00 to 1.60)

4.90 (1.55 to 7.55)

 Positive (n = 70; 26, 44)a

2.71 ± 2.41

2.27 ± 1.76

2.97 ± 2.71

2.10 (1.30 to 3.50)

2.00 (1.00 to 3.40)

2.15 (1.40 to 4.10)

P value

0.157

0.089

0.064

HER2 (n = 91; 30, 61)a

 Negative (n = 74; 28, 46)a

3.13 ± 3.51

2.03 ± 1.64

3.80 ± 4.14

2.10 (1.20 to 3.70)

1.75 (1.00 to 3.05)

2.15 (1.30 to 5.80)

 Positive (n = 17; 2, 15)a

4.59 ± 4.16

2.65 ± 3.75

4.85 ± 4.26

3.50 (1.80 to 6.90)

2.65 (0.00 to 5.30)

3.50 (1.80 to 7.30)

P value

0.113

0.900

0.230

EGRF (n = 98; 27, 71)a

 Negative (n = 82; 25, 57)a

2.85 ± 2.86

1.90 ± 1.44

3.26 ± 3.22

2.05 (1.20 to 3.50)

1.80 (1.00 to 2.90)

2.10 (1.30 to 4.80)

 Positive (n =16; 2, 14)a

6.39 ± 5.45

2.65 ± 3.75

6.92 ± 5.55

5.55 (2.40 to 7.25)

2.65 (0.00 to 5.30)

5.95 (2.60 to 7.30)

P value

0.006

0.815

0.013

Ki-67 (n = 99; 27, 72)a

 Negative (n = 57; 22, 35)a

1.90 ± 1.87

1.45 ± 1.22

2.19 ± 2.15

1.60 (1.00 to 2.30)

1.65 (0.00 to 2.30)

1.60 (1.10 to 2.30)

 Positive (n = 42; 5, 37)a

5.41 ± 4.40

4.18 ± 0.88

5.58 ± 4.66

4.75 (2.30 to 7.30)

4.30 (3.40 to 4.70)

5.30 (2.20 to 7.30)

P value

< 0.001

0.002

< 0.001

  1. a(n = number of total cases; number of ILC, number of IDC).
  2. EGRF, epidermal growth factor receptor; ER, estrogen receptor; HER2, human epidermal growth factor receptor 2; IDC, invasive ductal carcinoma; ILC, invasive lobular carcinoma; PR, progesterone receptor.