Anatomy-Correlated Breast Imaging and Visual Grading Analysis Using Quantitative Transmission Ultrasound™

Table 3

Estimated proportion of breasts with equivalent or better image quality on QT Ultrasound by feature.

	Proportion of breasts with equivalent or better image quality on QT Ultrasound	95% CI
Skin	0.943 (83/88)	[0.898, 0.988]
Epidermis	0.920 (81/88)	[0.871, 0.970]
Dermis	1.0 (88/88)	[0.955, 1.0]
Hypodermis	0.943 (83/88)	[0.898, 0.988]
Cooper’s ligament	1.0 (88/88)	[0.955, 1.0]
Superficial veins	0.989 (87/88)	[0.966, 1.0]
Central ducts	0.989 (87/88)	[0.966, 1.0]
Extralobular ducts	1.0 (88/88)	[0.955, 1.0]
TDLU	1.0 (88/88)	[0.955, 1.0]
Pectoralis muscle	0.409 (36/88)	[0.315, 0.503]
Overall	1.0 (88/88)	[0.955, 1.0]