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Table 1 Mammary tumor development and metastatic spread

From: High levels of dietary soy decrease mammary tumor latency and increase incidence in MTB-IGFIR transgenic mice

Diet

# of mice

# of mice that developed mammary tumors

Days for mammary tumor to become palpable1

Average # of tumors/mouse

Tumor specific growth rate

# of mice with lung metastases

Soy (PND45)

13

13

108 ± 9

2.1 ± 0.31

3.1 ± 0.3

5

Casein (PND45)

9

7

179 ± 231*

1.9 ± 0.41

3.2 ± 0.6

3

Soy (PND100)

16

15

205 ± 201

1.9 ± 0.31

3.2 ± 0.4

4

Casein (PND100)

12

5**

190 ± 301

1.6 ± 0.41

3.7 ± 0.3

4

  1. 1only mice that developed tumors were included.
  2. *p < 0.05 compared to Soy PND45 (Student’s T-test).
  3. **p < 0.05 compared to the number of tumors in Soy PND100 (Fisher’s Exact Test).
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