Table 3.
Value of unimodal and multimodal IONM techniques in detecting neurological complications during PE-TLIF (n = 113)
| Intraoperative monitoring techniques | |||||
|---|---|---|---|---|---|
| EMG | MEP | SSEP | EMG/ MEP | EMG/ MEP /SSEP | |
| True positive | 5 | 6 | 2 | 6 | 7 |
| True negative | 100 | 100 | 97 | 101 | 101 |
| False positive | 6 | 4 | 8 | 3 | 3 |
| False negative | 2 | 1 | 5 | 1 | 0 |
| Indeterminate | 0 | 2 | 1 | 2 | 2 |
| Sensitivity (%) | 71.4 | 85.7 | 28.5 | 85.7 | 100 |
| Specifcity (%) | 94.3 | 96.2 | 92.3 | 97.1 | 97.1 |
| Positive predictive value (%) | 45.4 | 60.0 | 20.0 | 66.7 | 70 |
| Negative predictive value (%) | 98.0 | 99.0 | 95.0 | 99.0 | 100 |
EMG electromyography, SSEP spino-spinal evoked potentials, MEP spino-muscular evoked potentials