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Table 2 Distribution of BI-RADS and Tabár patterns with corresponding median measures of MTR in 380 women

From: Mammographic density and structural features can individually and jointly contribute to breast cancer risk assessment in mammography screening: a case–control study

  BI-RADS
  Total: D1 D2 D3 D4
  380 (0.32) 137 (0.22) 104 (0.30) 94 (0.39) 45 (0.51)
0.532 (0.508–0.554) 0.522 (0.496–0.537) 0.534 (0.515–0.561) 0.549 (0.523–0.567) 0.532 (0.494–0.564)
Tabár      
 I 134 (0.28) 20 (0.35) 75 (0.25) 37 (0.28) 2 (0.50)
0.538 (0.520–0.558) 0.538 (0.528–0.557) 0.535 (0.511–0.560) 0.540 (0.520–0.555) 0.528 (0.511–0.545) a
 II 101 (0.18) 100 (0.17) 1 (1.00) 0 0
0.520 (0.493–0.536) 0.519 (0.493–0.535) 0.562 (−) - -
 III 22 (0.41) 17 (0.35) 5 (0.60) 0 0
0.506 (0.494–0.524) 0.500 (0.491–0.524) 0.513 (0.496–0.541) - -
 IV 100 (0.49) 0 23 (0.35) 48 (0.52) 29 (0.55)
0.552 (0.529–0.572) - 0.535 (0.527–0.565) 0.556 (0.544–0.577) 0.547 (0.497–0.570)
 V 23 (0.30) 0 0 9 (0.11) 14 (0.43)
0.517 (0.478–0.535) - - 0.509 (0.452–0.537) 0.521 (0.479–0.537)
  1. The proportion of cases is displayed in brackets next to the number of women in each cell
  2. The median and inter-quartile range is shown in italics for the MTR score
  3. a The two values in this cell are shown in brackets instead of the inter-quartile range