A. Staging frequencies | |||||
N stage | Â | CT | MRI | Conventionala | PSMA PET/CT |
negative | Â | 44 (69%) | 43 (67%) | 41 (64%) | 38 (59%) |
equivocal | Â | 9 (14%) | 8 (13%) | 10 (16%) | 4 (6%) |
positive | Â | 11 (17%) | 8 (13%) | 13 (20%) | 22 (34%) |
not available |  | – | 5 (8%)b |  |  |
M stage | Bone scintigraphy | CT | MRI | Conventionala | PSMA PET/CT |
negative | 44 (69%) | 54 (84%) | 3 (5%) | 37 (58%) | 48 (75%) |
equivocala | 9 (14%) | 6 (9%) | 5 (8%) | 15 (23%) | 3 (5%) |
• M1b: 9 (14%) | • M1a: 2 (3%) | • M1b: 9 (14%) |  | • M1b: 3 (5%) | |
 | • M1b: 4 (6%) |  |  |  | |
positive | 11 (17%) | 4 (6%) | 0 | 12 (19%) | 13 (20%) |
 |  |  |  | • M1a: 2 (3%) | |
 |  |  |  | • M1b: 9 (14%) | |
 |  |  |  | • M1c: 2 (3%) | |
not reported | Â | Â | 51 (80%) | Â | Â |
not availableb | Â | Â | 5 (8%) | Â | Â |
B. Contingency tables for observed staging frequencies | |||||
N stage | |||||
 | negative | equivocal | positive | Totals | |
Conventionala | 41 | 10 | 13 | 64 | |
PSMA PET/CT | 38 | 4 | 22 | 64 | |
Totals | 79 | 14 | 35 | 128 | |
X2 (2, N = 64) = 5.0; p = .0821 | |||||
 | negative | equivocal | positive | Totals | |
CT | 44 | 9 | 11 | 64 | |
PSMA PET/CT | 38 | 4 | 22 | 64 | |
Totals | 82 | 13 | 33 | 128 | |
X2 (2, N = 64) = 6.0; p = .049076* | |||||
 | negative | equivocal | positive | Totals | |
MRI | 43 | 8 | 8 | 59 | |
PSMA PET/CT | 38 | 4 | 22 | 64 | |
Totals | 81 | 12 | 30 | 123 | |
X2 (2, N = 64) = 8.0; p = .018451* | |||||
M stage | |||||
 | negative | equivocal | positive | Totals | |
Conventionala | 37 | 15 | 12 | 64 | |
PSMA PET/CT | 48 | 3 | 13 | 64 | |
Totals | 85 | 18 | 25 | 128 | |
X2 (2, N = 64) = 9.5; p = .008811* | |||||
 | negative | equivocal | positive | Totals | |
Bone scintigraphy | 44 | 9 | 11 | 64 | |
PSMA PET/CT | 48 | 3 | 13 | 64 | |
Totals | 92 | 12 | 24 | 128 | |
X2 (2, N = 64) = 3.3; p = .188193 | |||||
 | negative | equivocal | positive | Totals | |
CT | 54 | 6 | 4 | 64 | |
PSMA PET/CT | 48 | 3 | 13 | 64 | |
Totals | 102 | 9 | 17 | 128 | |
X2 (2, N = 64) = 6.1; p = .046943* |