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Table 2 Values of lesion features in progressing vs. indolent MIN

From: Magnetic resonance imaging of the natural history of in situmammary neoplasia in transgenic mice: a pilot study

Feature

Progressing MIN (n = 9)

Indolent MIN (n = 5)

Pvalue

Az

Age at first detection (weeks)

12.3 ± 2.3

10.6 ± 0.9

0.07

0.83 (0.51 to 0.97)

Maximum volume (mm3)

0.55 ± 0.66

0.67 ± 0.87

0.81

0.48 (0.19 to 0.78)

Growth rate (per week)**

0.21 ± 0.29

-0.66 ± 0.952

0.11

0.83 (0.45 to 0.98)

Distance from lymph node (mm)

4.2 ± 2.2

2.7 ± 1.6

0.18

0.75 (0.43 to 0.94)

  1. ** Student t-test comparisons yielded P values shown above. For the area under the curve (Az) values, numbers in parentheses represent 95% confidence intervals.
  2. Growth rate could only be measured for those lesions that were imaged as mammary intraepithelial neoplasia (MIN) at least twice.
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Breast Cancer Research

ISSN: 1465-542X

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