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| ctDNA (pM) | ||||
|---|---|---|---|---|
| Sample | Added | Found Meana ± SDb | Recovery (%) | RSDc (%) |
| 1 | 0 | — | — | — |
| 2 | 10 | 9.3 ± 0.5 | 98 | 5.38 |
| 3 | 50 | 44.5 ± 2.5 | 94 | 5.62 |
| 4 | 100 | 95.6 ± 5.4 | 101 | 5.65 |
aThe mean of three determinations. bSD represents standard deviation. cRSD repersents relative standard deviation.
