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Intra-operative localisation tests
| Modality | Sensitivity (%) | Accuracy (%) | PPV (%) |
|---|---|---|---|
| Inspection & palpation | 95 | 91 | 95 |
| IOUS | 100 | 93 | 92 |
| Overall | 97 | 92 | 94 |
| Raw data (n) | |||
|---|---|---|---|
| Inspection & palpation | IOUS | Overall | |
| Total | 22 | 14 | 36 |
| True positive | 19 | 12 | 31 |
| False positive | 1 | 1 | 2 |
| True negative | 1 | 1 | 2 |
| False negative | 1 | 0 | 1 |
PPV = Positive predictive value
