Reported Detection Rates in Patients with Very Low PSA Values at Scanning
| Author | Year | Imaging modality | n | PSA range (ng/mL) | PSMA-positive lesions (%) |
| PSA ≤ 0.5 ng/mL at scan | |||||
| Afshar-Oromieh et al. (18) | 2017 | PET/CT | 69 | 0–0.2 | 46 |
| 108 | 0.21–0.5 | 46 | |||
| Afshar-Oromieh et al. (19) | 2015 | PET/CT | 17 | 0–0.2 | 47.1 |
| 10 | 0.21–0.5 | 50 | |||
| Caroli et al. (35) | 2018 | PET/CT | NA | 0–0.2 | 27.3 |
| Ceci et al. (15) | 2019 | PET/CT | 138 | 0.2–0.5 | 37.9 |
| Eiber et al. (20) | 2015 | PET/CT | 19 | 0.2–0.5 | 57.9 |
| Farolfi et al. (17) | 2018 | PET/CT | 119 | 0.2–0.5 | 34.4 |
| Hamed et al. (21) | 2018 | PET/CT | 24 | 0–<0.5 | 54.2 |
| Kabasakal et al. (23) | 2016 | PET/CT | 12 | 0–<0.2 | 33 |
| Kranzbühler et al. (8) | 2017 | PET/MRI | 9 | 0–0.2 | 44.4 |
| 11 | 0.2–0.5 | 72.7 | |||
| Morigi et al. (36) | 2015 | PET/CT | 16 | 0–0.5 | 50 |
| Rauscher et al. (16) | 2018 | PET/CT | 134 | 0.2–0.5 | 55 |
| Schmidt-Hegemann et al. (22) | 2017 | PET/CT | NA | 0–0.2 | 33.3 |
| NA | 0.21–0.5 | 41.2 | |||
| van Leeuwen et al. (37) | 2016 | PET/CT | 13 | 0.05–0.09 | 8 |
| 22 | 0.1–0.19 | 23 | |||
| 17 | 0.2–0.29 | 58 | |||
| 11 | 0.3–0.49 | 36 | |||
| PSA ≤ 1.0 ng/mL at scan | |||||
| Calais et al. (38) | 2017 | PET/CT | 270 | 0–<1 | 49 |
| Caroli et al. (35) | 2018 | PET/CT | NA | 0.2–1 | 47.1 |
| Ceci et al. (15) | 2019 | PET/CT | 92 | 0.51–1 | 53.6 |
| Eiber et al. (20) | 2015 | PET/CT | 33 | 0.5–<1 | 72.7 |
| Hamed et al. (21) | 2018 | PET/CT | 35 | 0.5–<1 | 71.4 |
| Rauscher et al. (16) | 2018 | PET/CT | 138 | >0.5–1 | 74 |
| van Leeuwen et al. (37) | 2016 | PET/CT | 7 | 0.5–0.99 | 57 |
| Verburg et al. (39) | 2016 | PET/CT | 27 | 0–<1 | 44 |
NA = not available.