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Table 1 Clinicopathological information of breast cancer cases and controls

From: No association of TP53 codon 72 and intron 3 16-bp duplication polymorphisms with breast cancer risk in Chinese Han women: new evidence from a population-based case–control investigation

Group Clinical data Number (%)
Controls (N = 252, mean age = 41.2 ± 10.9)
 Age (years) < 50 205 (81.3)
50–70 45 (17.9)
> 70 2 (0.8)
Breast cancer cases (N = 254, mean age = 49.5 ± 9.9)
 Age (years) < 50 125 (49.2)
50–70 125 (49.2)
> 70 4 (1.6)
 Menopausal status Premenopausal 127 (50.0)
Postmenopausal 114 (44.9)
NA 13 (5.1)
 Tumor type IDC 221 (87.0)
ILC 9 (3.5)
Others 12 (4.7)
NA 12 (4.7)
 Tumor stagea I 7 (2.9)
II 164 (67.8)
III 40 (16.5)
IV 3 (1.2)
NA 28 (11.6)
  1. IDC invasive ductal carcinoma, ILC invasive lobular carcinoma, NA not available
  2. aAccording to the AJCC Cancer Staging Manual (7th Edition)