General description of the population (N = 61)

n (%)

WITH intraoperative neurophysiologic monitoring

18 (30)

WITHOUT intraoperative neurophysiologic monitoring

43 (70)

Gender (with monitoring)

Female

10 (56)

Male

8 (44)

Age group (with monitoring)

> 60-year-old

15 (83)

50-60 year-old

3 (17)