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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: AJR Am J Roentgenol. 2012 Sep;199(3):W392–W401. doi: 10.2214/AJR.11.7255

Table A-3.

Sensitivities by Patient and Lesion Characteristics for the R2 CADe Screen-film Full Datasets

SCREEN-FILM
R2-1 R2-2 R2-3
Sensitivity 95% CI Sensitivity 95% CI Sensitivity 95% CI
AGE(years) Age<50 0.53 (34/ 64) (0.41, 0.65) 0.58 (38/ 65) (0.46, 0.70) 0.59 (36/ 61) (0.46, 0.71)
50≤Age≤64 0.59 (88/ 150) (0.51, 0.66) 0.63 (93/ 147) (0.55, 0.71) 0.64 (93/ 145) (0.56, 0.72)
Age≥65 0.61 (54/ 89) (0.50, 0.70) 0.67 (59/ 88) (0.57, 0.76) 0.65 (55/ 85) (0.54, 0.74)
BREAST
DENSITY
Dense 0.60 (90/ 150) (0.52, 0.68) 0.64 (95/ 148) (0.56, 0.71) 0.65 (95/ 146) (0.57, 0.72)
Fatty 0.56 (86/ 153) (0.48, 0.64) 0.63 (95/ 152) (0.55, 0.70) 0.61 (89/ 145) (0.53, 0.69)
MENOPAUSAL
STATUS
Pre/Peri 0.51 (46/ 90) (0.41, 0.61) 0.58 (53/ 91) (0.48, 0.68) 0.57 (50/ 87) (0.47, 0.67)
Post 0.61 (127/ 209) (0.54, 0.67) 0.65 (134/ 205) (0.59, 0.72) 0.66 (131/ 200) (0.59, 0.72)
HISTOLOGY DCIS 0.57 (50/ 88) (0.46, 0.67) 0.63 (54/ 86) (0.52, 0.72) 0.61 (51/ 83) (0.51, 0.71)
Invasive 0.59 (126/ 214) (0.52, 0.65) 0.64 (136/ 213) (0.57, 0.70) 0.64 (133/ 207) (0.57, 0.70)
TUMOR
SIZE(mm)
Size≤5 0.53 (23/ 43) (0.39, 0.68) 0.64 (27/ 42) (0.49, 0.77) 0.67 (26/ 39) (0.51, 0.80)
5<Size≤10 0.48 (27/ 56) (0.36, 0.61) 0.55 (31/ 56) (0.42, 0.68) 0.56 (31/ 55) (0.43, 0.69)
Size>10 0.66 (78/ 119) (0.57, 0.74) 0.69 (81/ 118) (0.60, 0.76) 0.68 (79/ 116) (0.59, 0.76)
LESION
TYPE
Mass 0.60 (78/ 129) (0.52, 0.69) 0.66 (84/ 127) (0.57, 0.74) 0.67 (83/ 123) (0.59, 0.75)
Asym
Density
0.52 (11/ 21) (0.32, 0.72) 0.57 (12/ 21) (0.36, 0.76) 0.57 (12/ 21) (0.36, 0.76)
Calcification 0.73 (72/ 99) (0.63, 0.81) 0.77 (75/ 98) (0.67, 0.84) 0.76 (73/ 96) (0.67, 0.84)
Arch
Distortion
0.53 (8/ 15) (0.29, 0.76) 0.67 (10/ 15) (0.41, 0.85) 0.67 (10/ 15) (0.41, 0.85)
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