Morphometric analysis of posterior cranial fossa and foramen magnum and it’s clinical implications in craniovertebral junction malformations: a computed tomography based institutional study in a tertiary care hospital of northern part of India

Egyptian Journal of Neurosurgery

Table 1 Demographic analysis

Demographic characteristics	Controls (n = 120)
Age (years)
18–30	21 (17.50%)
31–40	37 (30.83%)
41–50	20 (16.67%)
51–60	27 (22.50%)
61–70	15 (12.50%)
Mean ± SD	43.5 ± 14.08
Gender
Female	61 (50.83%)
Male	59 (49.17%)