NOPR Cohort Clinical Characteristics for PET Imaging Performed for Initial Staging
| Cancer type | ||||||
| Characteristic | Combined | Bladder | Ovarian | Pancreatic | SCL | Stomach |
| Patients in cohort (n) | 4,661 | 1,178 | 309 | 1,250 | 752 | 1,172 |
| Age (y) | ||||||
| Mean | 74.8 | 76.4 | 73.0 | 73.7 | 73.6 | 75.7 |
| Interquartile range | 72–77 | 71–81 | 68–77 | 68–78 | 69–77 | 70–81 |
| Eastern Cooperative Oncology Group performance status (%) | ||||||
| 0, asymptomatic | 26.6 | 32.8 | 28.2 | 23.4 | 19.7 | 27.7 |
| 1, symptomatic, fully ambulatory | 58.9 | 53.2 | 60.2 | 62.8 | 62.5 | 57.8 |
| 2 or higher | 14.5 | 14.0 | 11.7 | 13.8 | 17.8 | 14.4 |
| Post-PET summary stage (%) | ||||||
| No residual disease | 6.8 | 9.0 | 14.9 | 4.5 | 0.9 | 8.8 |
| Local only | 30.3 | 36.9 | 20.7 | 30.5 | 14.4 | 36.2 |
| Regional (or nodal) diseases | 19.8 | 16.3 | 17.2 | 19.4 | 27.0 | 19.7 |
| Metastatic disease, single site | 11.5 | 8.2 | 8.7 | 15.5 | 13.4 | 10.0 |
| Metastatic disease, multiple sites | 28.0 | 26.5 | 33.3 | 26.7 | 42.2 | 20.2 |
| Not recorded | 3.6 | 3.1 | 5.2 | 3.4 | 2.1 | 5.1 |
| Comorbidity index score (%) | ||||||
| 0 | 36.3 | 36.3 | 55.3 | 37.8 | 25.0 | 37.0 |
| 1 or 2 | 46.9 | 42.3 | 36.6 | 49.3 | 56.1 | 45.8 |
| ≥3 | 16.8 | 21.4 | 8.1 | 13.0 | 18.9 | 17.2 |
| Referring physician specialty (%) | ||||||
| Medical oncology | 55.1 | 55.9 | 57.0 | 54.9 | 54.9 | 54.2 |
| Internal medicine* | 11.2 | 5.2 | 5.8 | 9.8 | 19.8 | 14.4 |
| Radiation oncology | 9.0 | 12.5 | 1.3 | 11.5 | 11.0 | 3.5 |
| Surgery | 7.2 | 0.9 | 2.9 | 10.3 | 2.5 | 14.3 |
| Urology | 3.5 | 13.7 | 0.3 | 0.1 | 0.0 | 0.1 |
| Gynecology/gynecologic oncology | 1.5 | 0.3 | 19.7 | 0.2 | 0.0 | 0.2 |
| Other | 12.5 | 11.5 | 12.9 | 13.1 | 11.7 | 13.3 |
| 60-d post-PET mortality (%) | 10.0 | 6.8 | 4.8 | 12.6 | 12.8 | 10.0 |
| Pre-PET plan (%) | ||||||
| Watching | 1.9 | 2.4 | 3.2 | 1.7 | 1.0 | 2.0 |
| Additional imaging | 36.2 | 36.2 | 40.8 | 32.1 | 41.6 | 36.0 |
| Biopsy | 8.0 | 9.5 | 6.8 | 9.6 | 4.8 | 7.2 |
| Treatment | 53.9 | 52.0 | 49.2 | 56.6 | 52.7 | 54.9 |
↵* Internal medicine: sum of all subspecialties other than hematology and oncology.