SPECT and Planar SRS and CIP Overall Results in 217 Liver Lesions (185 Metastases and 32 Hemangiomas)
| Parameter | SPECT | Planar SRS | CIP |
|---|---|---|---|
| True-positive (n) | 171 | 97 | 147 |
| False-negative (n) | 14 | 88 | 38 |
| True-negative (n) | 32 | 32 | 14 |
| False-positive (n) | 0 | 0 | 18 |
| Sensitivity (%) | 92.4*† | 52.4 | 79.4‡ |
| (171/185) | (97/185) | (147/185) | |
| Specificity (%) | 100§ | 100§ | 43.7 |
| (32/32) | (32/32) | (14/32) | |
| Positive predictive | 100 | 100 | 88.9 |
| value (%) | (171/171) | (97/97) | (147/165) |
| Negative predictive | 69.6 | 26.7 | 26.9 |
| value (%) | (32/46) | (32/120) | (14/52) |
| Accuracy (%) | 93.5‖ | 59.4 | 74.2¶ |
| (203/217) | (129/217) | (161/217) |
↵* P < 0.0005 compared with corresponding planar values (McNemar test results).
↵† P < 0.005 compared with corresponding CIP values (McNemar test results).
↵‡ P < 0.0005 compared with corresponding planar values (McNemar test results).
↵§ P < 0.0005 compared with corresponding CIP values (McNemar test results).
↵‖ P < 0.0005 compared with corresponding planar and CIP values (McNemar test results).
↵¶ P < 0.001 compared with corresponding planar values (McNemar test results).