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Table 2 Cox proportional hazards analysis on overall survival of 842 breast cancer patients followed by thyroid cancer

From: Clinicopathological features, survival and risk in breast cancer survivors with thyroid cancer: an analysis of the SEER database

Variable

HR (CI)

p-value

Age at diagnosis

 

< 0.001

 ≤ 40

Reference

 

 41–50

1.158 (0.519–2.582)

0.720

 51–60

1.613 (0.737–3.533)

0.232

 61–70

4.940 (2.306–10.585)

< 0.001

 > 70

11.681 (5.409–25.225)

< 0.001

Race

 

0.279

Tumor site

 

0.520

Tumor size

 

0.096

Positive lymph nodes

 

< 0.001

 0

Reference

 

 1–3

1.649 (1.049–2.591)

0.030

 4–9

2.440 (1.235–4.821)

0.010

  ≥ 10

6.515 (3.106–13.663)

< 0.001

 Unknown

2.054 (1.200–3.417)

0.009

Histology

 

0.125

Grade

 

0.321

ER

 

0.831

PR

 

0.767

  1. HR Hazard ratio, CI Confidence interval, ER Estrogen receptor, PR Progesterone receptor
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BMC Public Health

ISSN: 1471-2458

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