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Table 3 Clinical characteristics of patients with breast cancer (cases) by menopausal status in the CAMA study, Mexico, 2004–2007

From: Thyroid hormones and breast cancer association according to menopausal status and body mass index

  Premenopausal cases, n = 147 Premenopausal cases, n = 498
Number Percentagea Number Percentagea
Clinical characteristics
 Clinical stage
  Early (≤ IIA) 43 (29.3) 175 (35.1)
  Advanced (≥ IIB) 73 (49.7) 206 (41.4)
 Histological grade
  1 4 (2.7) 8 (1.6)
  2 29 (19.7) 108 (21.7)
  3 9 (6.1) 49 (9.8)
  1. CAMA study Risk factors for breast cancer in Mexico: mammographic patterns,
  2. C peptide, and growth factors, a multicenter study
  3. aPercentages do not add up to 100% due to missing values