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Distribution of travel time to the nearest area with breast imaging services by modality for U.S. women aged 30 years and older (N = 92,788,909).
| Travel Time to Nearest Breast Imaging Modality | ||||
|---|---|---|---|---|
| % U.S. Female Population (30 yrs. and older) | ||||
|
| ||||
| <= 10 minutes | >10 - 20 minutes | >20 - 30 minutes | > 30 minutes | |
| Mammography | 67.2 | 20.2 | 7.4 | 5.2 |
| Ultrasound | 65.8 | 20.6 | 7.8 | 5.7 |
| MRI | 48.7 | 22.2 | 9.2 | 19.8 |
