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Table 3 Sensitivity and specificity by the combination of density score (BI-RADS) and texture marker (MTR), Denmark 2012–2013

From: Sensitivity of screening mammography by density and texture: a cohort study from a population-based screening program in Denmark

Measure True positive, N (%) False positive, N (%) True negative, N (%) False negative, N (%) Sensitivity, % (95% CI) Specificity, % (95% CI)
BI-RADS 1 88 (0.56) 204 (1.30) 15,327 (97.97) 25 (0.16) 78 (69–85) 99 (98–99)
MTR 1 52 (0.51) 138 (1.35) 10,054 (98.03) 12 (0.12) 81 (70–90) 99 (98–99)
MTR 2 27 (0.75) 38 (1.05) 3542 (97.90) 11 (0.30) 71 (54–85) 99 (99–99)
MTR 3 8 (0.56) 24 (1.68) 1397 (97.69) 1 (0.07) 82 (48–98) 98 (98–99)
MTR 4 1 (0.29) 4 (1.18) 334 (98.24) 1 (0.29)
BI-RADS 2 187 (0.86) 613 (2.82) 20,903 (96.04) 61 (0.28) 75 (70–81) 97 (97–97)
MTR 1 32 (0.90) 100 (2.80) 3425 (95.97) 12 (0.34) 73 (57–85) 98 (97–98)
MTR 2 63 (0.80) 238 (3.01) 7592 (95.96) 19 (0.24) 77 (66–85) 97 (97–97)
MTR 3 63 (1.04) 162 (2.67) 5831 (96.03) 16 (0.26) 80 (64–88) 97 (97–98)
MTR 4 29(0.69) 113 (2.68) 4055 (96.30) 14 (0.33) 67 (51–81) 97 (97–98)
BI-RADS 3 127 (0.86) 420 (2.83) 14,222 (95.93) 57 (0.38) 69 (62–76) 97 (97–97)
MTR 1 2 (0.92) 4 (1.84) 209 (96.31) 2 (0.92) 71 (52–86) 97 (96–98)
MTR 2 20 (1.00) 60 (3.00) 1913 (95.65) 7 (0.35)
MTR 3 55 (1.05) 150 (2.85) 5036 (95.80) 16 (0.30) 77 (66–87) 97 (97–98)
MTR 4 50 (0.68) 206 (2.80) 7064 (96.08) 32 (0.44) 61 (46–72) 97 (97–98)
BI-RADS 4 17 (0.62) 67 (2.42) 2660 (96.27) 19 (0.69) 47 (30–65) 98 (97–98)
MTR 1 0 0 54 (98.18) 1 (1.82) 57 (29–82) 98 (97–99)
MTR 2 1 (0.82) 2 (1.64) 119 (97.54) 0
MTR 3 7 (0.79) 22 (2.50) 847 (96.14) 5 (0.57)
MTR 4 9 (0.53) 43 (2.52) 1640 (96.19) 13 (0.76) 41 (21–64) 97 (97–98)