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Table 4 Trials evaluating different marking techniques.
| Study | Country | Marking technique | Case numbers (n) | Detection rate | FNR |
|---|---|---|---|---|---|
| SENTA 15 (NCT 03012307) | D | clip placement | 473 | 77.3% | 4.30% (95% CI: 0.5 – 14.8 ) |
| RISAS 16 , 17 (NCT 02800317) | NL | radioactive seed placement | 227 | 98.0% | 3.47% (95% CI:1.38 – 7.16) |
| TATTOO 18 (DRKS 00013169) | D, S | dye (carbon tattooing) | 110 | 93.6% | 9.10% |
