Morphometric Analysis of Lateral Masses of Axis Vertebrae in North Indians

Table 2

Results of measured parameters of lateral mass of axis vertebra.

S. number	Parameters (mm)	Mean	SD	Range	value
1	Pedicle length (PL)	21.61	2.37	16.00–25.15	0.872
2	Pedicle width (PW)	8.82	2.06	3.60–12.50	0.895
3	Pedicle height (PH)	5.63	2.43	2.20–13.95	0.886
4	Superior articular facet length (SAFL)	16.34	1.56	13.90–20.70	0.141
5	Superior articular facet width (SAFW)	14.35	1.75	11.40–17.70	0.661
6	Superior articular facet external height (SAFHe)	8.98	1.36	5.8–12.05	0.488
7	Superior articular facet internal height (SAFHi)	4.23	0.81	2.40–6.60	0.620
8	Depth of vertebral artery	4.72	0.83	2.40–6.05	0.233
9	Inferior articular facet length (IAFL)	11.13	1.43	8.80–14.50	0.274
10	Inferior articular facet width (IAFW)	7.89	1.30	6.70–10.20	0.681
11	Foramen transversarium length (FTL)	5.11	0.91	2.75–6.50	0.482
12	Foramen transversarium width (FTW)	5.06	1.23	3.25–8.00	0.662
13	Foramen transversarium depth (FTD)	4.09	0.74	2.70–5.30	0.645
14	Pedicle superior angle (PSA)	23.32	2.62	19.00–29.00	0.378
15	Pedicle median angle (PMA)	32.23	1.65	29.00–36.00	0.211