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| 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).
