Comparison of Syndecan-1 Immunohistochemical Expression in Lobular and Ductal Breast Carcinoma with Nodal Metastases
Table 1
Differences in the investigated quantitative values between the invasive ductal and lobular breast carcinomas: the statistical analysis was done with the Mann–Whitney test.
Histological types
Arithmetic mean
Standard deviation
Min
Max
Percentiles
value
25
Median
75
Age (years)
Ductal carcinoma
30
65.13
14.98
37
87
55.00
67.00
77.75
0.096
Lobular carcinoma
30
59.63
11.99
36
77
50.75
63.50
69.50
Tumor size (cm)
Ductal carcinoma
30
3.89
1.59
1.20
8.50
2.50
3.65
5.05
0.002
Lobular carcinoma
30
2.77
1.90
0.70
8.00
1.50
2.00
3.28
Total number of lymph nodes
Ductal carcinoma
30
10.80
4.48
4
21
6.75
11.00
14.00
0.006
Lobular carcinoma
29
14.45
4.59
8
26
10.50
13.00
17.00
Number of positive lymph nodes
Ductal carcinoma
30
5.27
3.48
1
13
2.00
4.00
8.00
0.035
Lobular carcinoma
29
4.90
7.26
0
25
0.00
2.00
6.00
Percentage of positive lymph nodes (%)
Ductal carcinoma
30
50.92
28.66
5.26
100.00
26.70
46.43
77.00
0.007
Lobular carcinoma
29
30.58
36.72
0.00
100.00
0.00
11.76
53.57
For one invasive lobular carcinoma, the number of the total isolated and positive lymph nodes was not known (Nx).
