Table 1. Patients and incidence of Ki-ras mutations in plasma DNA.
| No. | Sex | Age (years) | Tumour site | Tumour stage | Histological type | Surgery | Survival | WT | Mut |
|---|---|---|---|---|---|---|---|---|---|
| 11 | M | 67 | NA | IVb | DAC | No | 9 | 2 | 5 |
| 13 | M | 81 | Head | Metastases | DAC | No | 6 | 5 | 0 |
| 16 | M | 70 | Head | IVb | NA | No | 35 | 10 | 0 |
| 29 | M | 51 | Head | Metastases | DAC (moderate) | No | 5 | 3 | 0 |
| 34 | M | 50 | Head | Metastases | DAC (poorly) | No | 8 | 3 | 3 |
| 37 | F | 69 | Head | T2, N1, M1 | NA | No | 23 | 9 | 0 |
| 38 | F | 57 | Head | Metastases | DAC (moderate) | No | 6 | 4 | 0 |
| 39 | M | 59 | Head | Metastases | DAC (moderate) | Yes | 83 | 1 | 1 |
| 40 | F | 71 | Head | T3, N1, M1 | DAC (moderate/poorly) | Yes | 43 | 9 | 0 |
| 43 | M | 52 | Head | Metastases | DAC (moderate) | No | 14 | 0 | 9 |
DAC=ductal adenocarcinoma; NA=data not available; Survival=survival in months after diagnosis; WT=wild-type (number of samples); Mut=mutation (number of samples).