Table 3. Performance Comparison of 18F-FSPG and 18F-FDG for IPNs and combined IPNs and lung masses.
| IPNs (7-30mm) N = 21 | All Pulmonary Lesions N = 26 | |||
|---|---|---|---|---|
| 18F-FDG (95% CI) | 18F-FSPG (95% CI) | 18F-FDG (95% CI) | 18F-FSPG (95% CI) | |
| Sens (%) | 58 (0.30–0.86) | 75 (0.51–1.00) | 71 (0.49–0.92) | 82 (0.64–1.00) |
| Spec (%) | 78 (0.51–1.00) | 67 (0.36–0.98) | 78 (0.51–1.00) | 67 (0.36–0.98) |
| PPV (%) | 78 (0.51–1.00) | 75 (0.51–1.00) | 86 (0.67–1.00) | 82 (0.64–1.00) |
| NPP (%) | 58 (0.30–0.86) | 67 (0.36–0.98) | 58 (0.30–0.86) | 67 (0.36–0.98) |
| Accuracy (%) | 67 (0.47–0.87) | 71 (0.52–0.91) | 73 (0.56–0.90) | 77 (0.61–0.93) |