Defining the Cohort
| NOPR cases (2/6/2011 to 9/30/2014) | n |
| Total number of cases | 32,663 |
| Patient or provider: consent withheld | (4,648) |
| Patient: no match to social security number | (652) |
| Patient: age < 65 at time of scan | (1,520) |
| Indication: cancer of unknown primary origin | (266) |
| Indication: diagnosis | (1,078) |
| Indication: suspected progression of osseous metastasis or treatment monitoring | (5,825) |
| Indication: subsequent scan performed for FOM | (3,283) |
| Additional evaluation: post–NaF PET plan to image or biopsy | (1,844) |
| Insurance: Medicare Advantage | (2,184) |
| Insurance: no claims paid | (566) |
| No claim found for NaF PET | (899) |
| Analysis cohort | 9,898 |