Table 3. Overall comparison VAM vs. CM (Studies 1989-2011).
VAM (n=956) | CM (n=5,156) | P value | |
---|---|---|---|
Mortality | 0 | 0 | |
Morbidity | 0.83-2.9% | 0-5.3% | NS |
No. of LN biopsied | 6-8.5 | 5-7.13 | NS |
No. LN stations sampled | 1.9-3.6 | 2.6-2.98 | NS |
Accuracy | 87.9-98.9% | 83.8-97.2% | NS |
NPV | 83.0-98.6% | 81.0-98.7% | NS |
VAM, videomediastinoscopy; CM, conventional mediastinoscopy; NPV, negative predictive value. Adapted from Zakkar et al. (38).