[Retracted] Quantitative Relationship between the Degree of Lumbar Disc Degeneration and Intervertebral Disc Height in Patients with Low Back Pain

Table 3

Relationships between the degree of lumbosacral disc degeneration (grade 2–4) and the intervertebral height (mm) of corresponding segments.

	β1 (95% CI)		β2 (95% CI)
L1/2	−1.26(−1.56, −0.96)	<0.001	−1.25(−1.67, −0.83)	<0.001
L2/3	−1.57(−1.84, −1.30)	<0.001	−1.43(−1.82, −1.04)	<0.001
L3/4	−1.68(−2.07, −1.29)	<0.001	−1.66(−2.24, −1.10)	0.002
L4/5	−1.74(−2.12, −1.36)	<0.001	−1.76(−2.29, −1.23)	0.001
L5/S1	−1.69(−2.02, −1.37)	<0.001	−1.61(−2.10, −1.12)	<0.001

β1: simple linear regression coefficient; β2: multiple linear regression coefficients after adjusting for age, sex, and BMI.