Table 1. Annual Frequency of PSA Testing and Subsequent MRI.
| Year | Total patients receiving a PSA test, No. | Patients, No. (%) | Mean time between high PSA result and MRI, da | ||
|---|---|---|---|---|---|
| Undergoing MRI within 180 d | With high PSA resulta | Undergoing MRI <180 d after high PSA resulta | |||
| 2011 | 85 589 | 74 (0.1) | 4009 (4.7) | 49 (1.2) | 80 (43.0) |
| 2012 | 76 146 | 94 (0.1) | 4110 (5.4) | 70 (1.7) | 86 (45.5) |
| 2013 | 89 028 | 120 (0.1) | 5170 (5.8) | 84 (1.6) | 88 (46.0) |
| 2014 | 77 786 | 121 (0.2) | 4741 (6.1) | 92 (1.9) | 70 (46.4) |
| 2015 | 100 351 | 247 (0.2) | 6191 (6.2) | 190 (3.1) | 73 (43.5) |
| 2016 | 130 724 | 405 (0.3) | 8368 (6.4) | 321 (3.8) | 74 (43.4) |
| 2017 | 235 185 | 907 (0.4) | 18 911 (8.0) | 718 (3.8) | 60 (42.8) |
| Total | 794 809 | 1968 (0.2) | 51 500 (6.5) | 1524 (3.0) | 76 (44.4) |
Abbreviations: MRI, magnetic resonance imaging; PSA, prostate-specific antigen.
a
High PSA results were considered levels 4 ng/mL or above.