Table 4.
EGFR mutation status by sediments and supernatants by cytology.
| (A) All samples | ||||
|---|---|---|---|---|
| Sediments | Supernatants | N | ||
| Invalid | Mutation undetected | Mutation detected | ||
| Invalid | 0 | 0 | 2 | 2 |
| Mutation undetected | 2 | 12 | 6 | 20 |
| Mutation detected | 6 | 4 | 76 | 86 |
| 8 | 16 | 84 | 108 | |
| (B) Samples with positive cytology | ||||
| Sediments | Supernatants | N | ||
| Invalid | Mutation undetected | Mutation detected | ||
| Invalid | 0 | 0 | 1 | 1 |
| Mutation undetected | 0 | 2 | 0 | 2 |
| Mutation detected | 5 | 3 | 62 | 70 |
| 5 | 5 | 63 | 73 | |
| (C) Samples with negative cytology | ||||
| Sediments | Supernatants | N | ||
| Invalid | Mutation undetected | Mutation detected | ||
| Invalid | 0 | 0 | 1 | 1 |
| Mutation undetected | 2 | 10 | 6 | 18 |
| Mutation detected | 1 | 1 | 14 | 16 |
| 3 | 11 | 21 | 35 | |