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Table 1 The demographical, social, and clinical conditions of women who underwent ultrasound examination and selected for study

From: Evidence and assessment of parenchymal patterns of ultrasonography for breast cancer detection among Chinese women: a cross-sectional study

Parameters Cytopathological did not confirm breast cancer women Cytopathological confirmed breast cancer women Comparisons
Women 849 541 p-value
Age at examination (years) Minimumact 27 25 0.221
  Maximum 72 71  
  Mean ± SD 50.12 ± 11.19 49.48 ± 15.14  
Ethnicity Han Chinese 787 (92.88) 506 (93.8) 0.915
  Mongolian 52 (6) 29 (5)  
  Tibetan 9 (1) 5 (1)  
  Uighur Muslim 1 (0.12) 1 (0.2)  
Menopausal status Premenopausal 520 (61) 335 (62) 0.821
  Postmenopausal 329 (39) 206 (38)  
Body mass index (kg/ m2)  < 25 625 (74) 403 (74) 0.751
   ≥ 25 224 (26) 138 (26)  
Family history of breast cancer Yes 48 (6) 32 (6) 0.906
  No 801 (94) 509 (94)  
  1. Categorial data are demonstrated as frequency (percentages) and continuous data are mean ± SD (standard deviation)
  2. One-way ANOVA for categorical data and Fischer exact test or Chi-square test of Independence for continuous data were performed for statistical analyses
  3. All results were considered significant if the p-value less than 0.05