Table 2.

The measurement results for anatomic distribution of basivertebral foramen with a magistral type in CT images of T10~L5

	T10	T11	T12	L1	L2	L3	L4	L5
Frequency % (n)	32.1% (119)	37.5% (139)	39.9% (148)	38.8% (144)	41.2% (153)	43.4% (161)	42.9% (159)	45.3% (168)
HBVF (mm)	5.99 ± 0.98	6.23 ± 1.12	6.59 ± 1.36	7.24 ± 1.53	7.28 ± 1.52	7.19 ± 1.56	7.54 ± 1.71	7.66 ± 1.69
HV1(mm)	9.54 ± 1.66	9.81 ± 1.75	10.03 ± 1.79	10.23 ± 1.77	10.42 ± 1.81	11.39 ± 1.82	11.71 ± 1.76	11.81 ± 1.82
HV2 (mm)	10.10 ± 2.28	11.26 ± 2.04	11.40 ± 2.11	11.57 ± 1.73	11.99 ± 1.95	12.57 ± 1.80	12.71 ± 1.80	12.92 ± 1.84
WBVF (mm)	6.95 ± 1.07	7.12 ± 1.14	7.54 ± 1.65	7.20 ± 1.45	7.43 ± 1.79	8.05 ± 1.53	8.38 ± 1.78	8.86 ± 2.01
WV1 (mm)	13.48 ± 1.81	13.75 ± 1.92	13.91 ± 2.03	14.12 ± 1.93	14.73 ± 1.94	15.51 ± 2.22	16.33 ± 2.27	16.96 ± 2.18
WV2 (mm)	13.48 ± 1.74	13.66 ± 1.80	13.83 ± 2.13	14.20 ± 2.09	14.83 ± 2.10	15.59 ± 2.40	16.24 ± 2.38	16.87 ± 2.45
DBVF (mm)	6.07 ± 1.35	6.39 ± 1.25	6.67 ± 1.38	6.65 ± 1.29	7.04 ± 1.58	8.01 ± 1.86	8.53 ± 1.91	9.07 ± 1.99
DV (mm)	26.26 ± 1.79	27.34 ± 1.42	27.98 ± 1.53	28.07 ± 1.68	29.33 ± 2.02	32.13 ± 2.81	32.34 ± 2.25	32.19 ± 2.33
DBVF/DV	0.23 ± 0.04	0.23 ± 0.04	0.24 ± 0.05	0.24 ± 0.05	0.23 ± 0.05	0.26 ± 0.05	0.26 ± 0.05	0.27 ± 0.05

HBVF the height of basivertebral foramen, HV1 the distance between basivertebral foramen and left borders of vertebral body, HV2 the distance between basivertebral foramen and right borders of vertebral body, WBVF the width of basivertebral foramen, WV1 the distance between basivertebral foramen and upper endplates of vertebral body, WV2 the distance between basivertebral foramen and lower endplates of vertebral body, DBVF the depth of basivertebral foramen, DV the anteroposterior diameter of vertebral body