Background
Method
Study design
Patient population
Data collection
Imaging
Variables of interest
Coding of MRI narrative reports
Reliability testing
Statistics
Results
Patient characteristic (n = 611) | |
---|---|
Age (years), mean (SD) | 52 (13) |
Age categories (years), n | |
19–30 | 33 |
31–40 | 85 |
41–50 | 135 |
51–60 | 187 |
61–70 | 123 |
71–87 | 48 |
Women (%) | 63 |
Sick leave within 3 months (%) | 40 |
Neck pain intensity, (NRS 0–10), mean (SD) | 5.5 (2.5) |
Arm pain intensity, (NRS 0–10), mean (SD) | 4.5 (3.1) |
Activity limitation (NDI) (%), mean (SD) | 38 (17) |
MRI finding | Kappa coefficient | 95% CI |
---|---|---|
Modic changes type 1 | 0.97 | 0.92–1.00 |
Modic changes type 2 | 0.96 | 0.87–1.00 |
Disc degeneration | 0.96 | 0.93–0.98 |
Disc herniation | 0.91 | 0.80–0.98 |
Disc bulge | 0.94 | 0.90–0.97 |
Nerve root compromise | 0.78 | 0.33–1.00 |
Foraminal stenosis | 0.97 | 0.95–0.99 |
Central stenosis | 0.94 | 0.88–0.97 |
Facet joint arthrosis | 0.98 | 0.95–1.00 |
Uncovertebral arthrosis | 0.96 | 0.93–0.98 |
MRI finding | C2/C3 | C3/C4 | C4/C5 | C5/C6 | C6/C7 | C7/Th1 | Totala | > 1 level |
---|---|---|---|---|---|---|---|---|
Modic type 1 | 1.5% | 5.4% | 6.4% | 12.3% | 12.3% | 1.8% | 25% | 8% |
Modic type 2 | 1.2% | 1.5% | 1.8% | 3.4% | 3.9% | 1.3% | 6% | 2% |
Disc degeneration | 2.0% | 10.1% | 25.5% | 57.9% | 41.7% | 3.3% | 67% | 45% |
Disc herniation | 0.0% | 0.7% | 2.6% | 7.7% | 6.4% | 0.5% | 16% | 2% |
Disc bulge | 0.2% | 7.5% | 15.4% | 36.7% | 27.7% | 0.7% | 51% | 27% |
Nerve root compromise | 0.0% | 0.2% | 0.3% | 1.2% | 0.7% | 0.0% | 2% | 0% |
Foraminal stenosis | 6.4% | 30.1% | 39.3% | 64.8% | 50.1% | 3.8% | 77% | 59% |
Central stenosis | 0.2% | 3.1% | 9.5% | 28.5% | 19.8% | 0.3% | 38% | 18% |
Facet joint arthrosis | 9.5% | 18.5% | 18.8% | 16.4% | 10.3% | 3.9% | 37% | 22% |
Uncovertebral arthrosis | 4.3% | 29.8% | 37.3% | 62.5% | 45.0% | 2.6% | 74% | 56% |