Apparent Diffusion Coefficient of Diffusion-Weighted Imaging in Evaluation of Cervical Intervertebral Disc Degeneration: An Observational Study with 3.0 T Magnetic Resonance Imaging

Table 1

Numbers of the discs at each Pfirrmann grade classified by gender and anatomical level in symptomatic volunteers.

Pfirrmann grade	Sex		Disc level					Total
	Male	Female	C2-C3	C3-C4	C4-C5	C5-C6	C6-C7
I	15	14	10	6	5	2	6	29
II	35	20	17	11	10	6	11	55
III	57	31	15	20	22	19	12	88
IV	19	45	9	11	8	18	18	64
V	4	20	1	4	7	7	5	24
Total	130	130	52	52	52	52	52	260