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Comparison of KRAS gene mutation in ctDNA and tumor tissue.
| Plasma | Synchronous group tumor | Metachronous group tumor | Total | Sensitivity (%) | Specificity (%) | Concordance (%) | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mt | Wt | NA | Mt | Wt | NA | |||||
| Mt | 4 | 2 | 1 | 12 | 2 | 2 | 23 | 66.67% | 90.00% | 81.25% |
| Wt | 2 | 14 | 5 | 6 | 22 | 4 | 53 | |||
| Total | 6 | 16 | 6 | 18 | 24 | 6 | 76 | |||
Note. Mt, mutate type; Wt, wild type; NA, not available.
