Table 2.
Yield according to lymph node stations sampled in 774 patients undergoing EBUS-TBNA
| Lymph node station |
Number of nodes sampled |
Mean size of lymph node (mm) |
Prevalence of NSCLC |
Sensitivity | Negative Predicitve Value |
Diagnostic accuracy |
|---|---|---|---|---|---|---|
| 2R | 13 | 17 | 60% | 83% | 80% | 90% |
| 2L | 3 | 15 | 33% | 100% | 100% | 100% |
| 3P | 3 | 25 | 33% | 100% | 100% | 100% |
| 4R | 282 | 21 | 84% | 90% | 65% | 92% |
| 4L | 113 | 18 | 73% | 80% | 64% | 85% |
| 7 | 436 | 23 | 74% | 90% | 77% | 92% |
| 10R | 104 | 18 | 76% | 87% | 71% | 90% |
| 10L | 46 | 18 | 81% | 90% | 71% | 93% |
| 11R | 41 | 16 | 82% | 93% | 75% | 94% |
| 11L | 6 | 13 | 100% | 50% | 0% | 50% |
| Overall | 1047 | 21 | 77% | 88% | 72% | 91% |