Table 5.

The Prevalence of Disc Degeneration Levels in the Patients With 3-Level Degeneration (Sorted by Frequency).

	Prevalence, n (%)
C4/5, C5/6, and C6/7	92 (41.4)
C3/4, C4/5, and C5/6	74 (33.3)
C3/4, C5/6, and C6/7	25 (11.3)
C3/4, C4/5, and C6/7	11 (5.0)
C2/3, C3/4, and C4/5	5 (2.3)
C2/3, C5/6, and C6/7	4 (1.8)
C4/5, C5/6, and C7/T1	3 (1.4)
C2/3, C4/5, and C5/6	2 (0.9)
C2/3, C3/4, and C5/6	2 (0.9)
C5/6, C6/7, and C7/T1	2 (0.9)
C2/3, C4/5, and C6/7	1 (0.5)
C4/5, C6/7, and C7/T1	1 (0.5)
Total	222 (100)

^aDegeneration at contiguous level in boldface.

^bOther combinations of levels were not found in this study population.