Table 3:

Reader performance to predict upstaging of DCIS to invasive disease with subgroup analysis.

	N	AUC
Overall	150	0.620 [95% CI: 0.489–0.751]
Lesion Size
<2 cm	38	0.676 [95% CI: 0.517–0.835]
≥2 cm	112	0.500 [95% CI: 0.228–0.772]
Breast Density
Low	61	0.473 [95% CI: 0.272–0.672]
High	89	0.681 [95% CI: 0.517–0.846]
Nuclear Grade
Low & Intermediate	60	0.617 [95% CI: 0.385–0.848]
High	90	0.614 [95% CI: 0.449–0.778]
Microinvasion
All	Upstaged = 30 Pure = 120	0.620 [95% CI: 0.489–0.751]
Excluded	Upstaged = 24 Pure = 126	0.651 [95% CI: 0.508–0.795]