N2/3 prevalence | Sensitivity | Negative predictive value | ||
ACCP meta-analysis | Minimum standard | ACCP meta-analysis | Minimum standard | |
>80% | 96% | >90% | 83% | >80% |
60%–80% | 91% | >88% | 83% | >80% |
40%–60% | 87% | >85% | 89% | >85% |
20%–40% | 87% | >80% | 95% | >90% |
<20% | 78% | >75% | 96% | >92% |
ACCP, American College of Chest Physicians; EBUS, endobronchial ultrasound.