Table 4. Statistical results of multicenter by PET/MRI
| Shanghai | Hangzhou | Shanghai+Hangzhou | |
| Detection rate(PET/MRI with lung CT) | 2.75% | 2.59% | 2.71% |
| Detection rate（PET/MRI） | 1.56% | 1.57% | 1.57% |
| Sensitivity | 93.24% | 95.45% | 93.75% |
| Specificity | 99.52% | 99.33% | 99.47% |
| Positive predictive value | 83.13% | 75.0% | 81.08% |
| Negative predictive value | 99.82% | 99.90% | 99.85% |