Table 3.

Time to resolution and distribution of screening examination modality and age for the most common work-up pathways not ending in biopsy.

	Mammography	Mammography, Ultrasound	Mammography, Mammography, Ultrasound	Ultrasound
	Median (IQR*)	Median (IQR)	Median (IQR)	Median (IQR)
Time to resolution (days)	8 (5, 14)	10 (7, 16)	7.5 (6, 12)	7 (3, 14)
	N (%)	N (%)	N (%)	N (%)
Modality of screening examination
Digital	7681 (53.4)	4739 (53.8)	42 (1.8)	736 (50.4)
Screen-film	6698 (46.6)	4062 (46.2)	2256 (98.2)	723 (49.6)
Age (years)
40–49	4797 (33.4)	3346 (38.0)	904 (39.3)	631 (43.2)
50–59	4769 (33.2)	2855 (32.4)	794 (34.6)	461 (31.6)
60–69	2805 (19.5)	1562 (17.7)	385 (16.8)	205 (14.1)
70–79	1441 (10.0)	764 (8.7)	160 (7.0)	115 (7.9)
80–89	567 (3.9)	274 (3.1)	55 (2.4)	47 (3.2)

^*IQR = Interquartile range