Table 2.

The associated risk of Modic change in the lumbar spine as intervertebral disc height (mm) reduces

Disc level	Risk of Modic change in the vertebrae adjacent to that disc
	Univariate OR 95 % CI	P	Multivariate OR 95 % CI	P
L1/2	1.5 (0.9, 2.3)	0.11	1.5 (0.8, 3.0)	0.22
L2/3	1.7 (1.1, 2.7)	0.01	1.8 (1.1, 2.9)	0.03
L3/4	1.1 (0.9, 1.4)	0.29	1.1 (0.8, 1.4)	0.64
L4/5	1.3 (1.1, 1.7)	0.007	1.4 (1.1, 1.8)	0.008
L5/S1	1.4 (1.1, 1.7)	0.001	1.4 (1.1, 1.8)	0.001
	Risk of Modic change in the lumbar spine
	Univariate OR 95 % CI	P	Multivariate OR 95 % CI	P
Average disc height (L1-S1)	1.5 (1.1, 2.0)	0.02	1.6 (1.1, 2.3)	0.01
Total disc height (L1-S1)	1.1 (1.0, 1.2)	0.02	1.1 (1.0, 1.2)	0.01

Adjusted for age, gender, height and weight