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Table 2 Performance of algorithms for detection and risk overall, by cancer type and tumor size

From: Are better AI algorithms for breast cancer detection also better at predicting risk? A paired case–control study

Subgroup

n

Detection AUC (95% CI)

Risk AUC (95% CI)

Phet(detection)

Phet(risk)

Mirai

  Overall

3386

0.89 (0.88 to 0.91)

0.67 (0.65 to 0.69)

  

Size

  Invasive, size unknown

210 (6%)

0.89 (0.81 to 0.93)

0.57 (0.48 to 0.66)

< 0.001

< 0.001

  DCIS

840 (25%)

0.88 (0.85 to 0.91)

0.66 (0.62 to 0.71)

  

  0 to < 10 mm

436 (13%)

0.86 (0.81 to 0.90)

0.64 (0.57 to 0.70)

  

  10 to < 20 mm

976 (29%)

0.90 (0.87 to 0.93)

0.67 (0.63 to 0.71)

  

  20 to < 30 mm

524 (15%)

0.92 (0.88 to 0.95)

0.70 (0.64 to 0.75)

  

  30 mm+

400 (12%)

0.88 (0.83 to 0.92)

0.74 (0.68 to 0.80)

  

GMIC

  Overall

3386

0.88 (0.87 to 0.90)

0.63 (0.61 to 0.66)

  

Size

  Invasive, size unknown

210 (6%)

0.89 (0.81 to 0.93)

0.57 (0.48 to 0.66)

< 0.001

< 0.001

  DCIS

840 (25%)

0.93 (0.90 to 0.95)

0.66 (0.61 to 0.70)

  

  0 to < 10 mm

436 (13%)

0.83 (0.77 to 0.87)

0.56 (0.49 to 0.62)

  

  10 to < 20 mm

976 (29%)

0.85 (0.82 to 0.88)

0.62 (0.57 to 0.66)

  

  20 to < 30 mm

524 (15%)

0.89 (0.84 to 0.92)

0.67 (0.61 to 0.72)

  

  30 mm+

400 (12%)

0.91 (0.86 to 0.94)

0.70 (0.63 to 0.75)

  

NY

  Overall

3386

0.81 (0.79 to 0.83)

0.59 (0.57 to 0.61)

  

Size

  Invasive, size unknown

210 (6%)

0.75 (0.66 to 0.83)

0.57 (0.48 to 0.66)

< 0.001

< 0.001

  DCIS

840 (25%)

0.88 (0.84 to 0.90)

0.61 (0.56 to 0.65)

  

  0 to < 10 mm

436 (13%)

0.73 (0.67 to 0.79)

0.55 (0.48 to 0.61)

  

  10 to < 20 mm

976 (29%)

0.76 (0.72 to 0.79)

0.55 (0.50 to 0.59)

  

  20 to < 30 mm

524 (15%)

0.84 (0.79 to 0.88)

0.64 (0.58 to 0.70)

  

  30 mm+

400 (12%)

0.88 (0.83 to 0.92)

0.64 (0.57 to 0.70)

  

NY-H

  Overall

3386

0.87 (0.85 to 0.88)

0.59 (0.56 to 0.61)

  

Size

  Invasive, size unknown

210 (6%)

0.82 (0.73 to 0.88)

0.58 (0.49 to 0.67)

< 0.001

< 0.001

  DCIS

840 (25%)

0.90 (0.86 to 0.92)

0.58 (0.54 to 0.63)

  

  0 to < 10 mm

436 (13%)

0.78 (0.73 to 0.83)

0.54 (0.47 to 0.61)

  

  10 to < 20 mm

976 (29%)

0.85 (0.82 to 0.88)

0.55 (0.51 to 0.59)

  

  20 to < 30 mm

524 (15%)

0.90 (0.85 to 0.93)

0.62 (0.56 to 0.68)

  

  30 mm+

400 (12%)

0.92 (0.88 to 0.95)

0.68 (0.61 to 0.74)