MRI findings with conceptual links to chronic low back pain | ||||
---|---|---|---|---|
 | Chronic low back pain (n = 24) n (%) | No low back pain (n = 99) n (%) | Odds ratio (95% confidence interval) | p-value |
Primary Predictors of Interest | ||||
 Endplate changes (any) | 2 (8.3) | 8 (8.1) | 1.0 (0.2-5.2) | 0.97 |
 Endplate changes (type I) | 2 (8.3) | 5 (5.1) | 1.7 (0.3-9.5) | 0.54 |
 Facet joint hypertrophy | 3 (12.5) | 6 (6.1) | 2.2 (0.5-9.6) | 0.29 |
 Annular fissures | 3 (12.5) | 3 (3.0) | 4.6 (0.9-24.2) | 0.074 |
Secondary Predictors of Interest | ||||
 Disc height narrowing | 1 (4.2) | 5 (5.1) | 0.8 (0.1-7.3) | 0.86 |
 Disc dessication | 3 (12.5) | 8 (8.1) | 1.6 (0.4-6.7) | 0.50 |
 Disc bulging | 2 (8.3) | 4 (4.0) | 2.2 (0.4-12.5) | 0.39 |
 Spondylolisthesis | 2 (8.3) | 1 (1.0) | 8.9 (0.8-102.7) | 0.080 |
MRI findings with conceptual links to radicular symptoms | ||||
 | Radicular symptoms (n = 70) n (%) | Radicular symptoms (n = 53) n (%) | Odds ratio (95% confidence interval) | p -value |
Primary Predictors of Interest | ||||
 Central canal stenosis* | 2 (2.9) | 0 (0.0) | 1.8 (0.1-∞) | 0.64 |
 Disc extrusions* | 5 (7.1) | 0 (0.0) | 5.4 (0.7-∞) | 0.11 |
 Nerve root impingement* | 4 (5.7) | 0 (0.0) | 4.1 (0.5-∞) | 0.20 |
Secondary Predictors of Interest | ||||
 Spondylolisthesis | 2 (2.9) | 1 (1.9) | 1.5 (0.1-17.3) | 0.73 |
 Lateral recess stenosis | 7 (10.0) | 2 (3.8) | 2.8 (0.6-14.2) | 0.21 |
 Disc protrusions | 5 (7.1) | 4 (7.6) | 0.9 (0.2-3.7) | 0.93 |