Table 5.

Operative procedures and diagnostic values of intraoperative neurophysiological monitoring

Serial no.	Operative procedures	No. of surgeries	Sensitivity (%)	Specificity (%)	Positive predictive value (%)	Negative predictive value (%)
1.	Multiple level fusion surgeries (cervical, thoracic, and lumbar)	89	100	100	100	100
2.	Cervical laminectomy/laminoplasty + lateral mass fusion	59	100	96.55	33.33	100
3.	Craniovertebral junction surgeries	37	100	100	100	100
4.	Traumatic spine fractures and spinal cord injuries	15	100	100	100	100
5.	Vertebrectomy (metastatic/primary tumors)	4	100	100	100	100
6.	Spinal dysraphism (cervical, thoracic, and lumbar)	16	100	100	100	100
7.	Intradural mass lesions (both extramedullary and intramedullary)	73	92.86	100	100	100
8.	Extradural mass lesions	10	100	100	100	100