Table 6.
Kappa analysis for consistency of EGFR mutation detection in paired plasma and saliva samples
| Saliva | ||||||
|---|---|---|---|---|---|---|
| + | − | Total | P‐value | Kappa value | ||
| Plasma | + | 7 | 6 | 13 | <0.001 | 0.602 |
| − | 0 | 24 | 24 | |||
| Total | 7 | 30 | 37 | |||
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