Table 2.
Test applied to the patient population (n = 217) with spinal deformities
| Monitoring modality | Monitorings applied | Baseline recording | ||
|---|---|---|---|---|
| Out of 217 cases | Mean tests per patient | Normal | Abnormal | |
| cm-EP | 216 (100%) | 2.8 | 120 | 96 |
| sm-EP | 78 (36%) | 2.2 | 78 (NVM) | |
| cs-EP | 87 (40%) | 1.4 | 63 | 22 |
| ss-EP | 34(16%) | 1 | 34 (NVM) | |
| nc-EP | 195 (90%) | 1.6 | 132 | 80 |
| ns-EP | 85 (39%) | 1.2 | 85 (NVM) | |
| F-wave | 2 (1%) | 2 (NVM) | ||
| Cont. EMG | 190 (88%) | 2.9 | No Spontaneous Activity | |
| Ped Screw Stim. | 56 (26%) | 3.3 | ||
Tests: recorded muscle pairs or stimulated nerve pairs in a given modality
NVM, Normative value missing; cm-EP, cerebro-muscular evoked potentials; cs-EP, cerebro-spinal evoked potentials; ns-EP, neuro-spinal evoked potentials; nc-EP, neuro-cerebral evoked potentials; sm-EP, spino-muscular evoked potentials; ss-EP, spino-spinal evoked potentials; BCR, bulbo-cavernosus reflex; BAR, bulbo-anal reflex; AEP, acoustic evoked potentials