Table 3 Diagnostic performances
NaF-PET/CT (n = 213) | Choline-PET/CT (n = 104) | WB-SPECT/CT (n = 109) | WB-MRI (n = 213) | |
|---|---|---|---|---|
True positive results | 59 (28) | 30 (29) | 31 (28) | 55 (26) |
False positive results | 11 (5) | 1 (1) | 7 (6) | 15 (7) |
True negative results | 140 (66) | 72 (69) | 71 (65) | 136 (64) |
False negative results | 3 (1) | 1 (1) | 0 (0) | 7 (3) |
Sensitivity (%) | 95 (95%CI:87–99) | 97 (95%CI:83–100) | 100 (95%CI:89–100) | 89 (95%CI:78–95) |
Specificity (%) | 93 (95%CI:87–96) | 99 (95%CI:93–100) | 91 (95%CI:82–96) | 90 (95%CI:84–94) |
Positive predicative value (%) | 84 (95%CI:74–92) | 97 (95%CI:83–100) | 82 (95%CI:66–92) | 79 (95%CI:67–87) |
Negative predicative value (%) | 98 (95%CI:94–100) | 99 (95%CI:93–100) | 100 (95%CI:95–100) | 95 (95%CI:90–98) |
Overall accuracy (%) | 93 (95%CI:89–96) | 98 (95%CI:93–100) | 94 (95%CI:87–97) | 90 (95%CI:85–93) |