From: T1ρ, T2 and T2* mapping of lumbar intervertebral disc degeneration: a comparison study
Modalities and morphologic changes | AUC (95%CI) | P value | Cutoff (ms) | Sensitivity (%) | Specificity (%) |
---|---|---|---|---|---|
T1ρ mapping | |||||
Bulging vs. normal | 0.78 (0.71–0.85) | < 0.001 | ≤ 136.94 | 80.00 | 67.74 |
Herniation vs. normal | 0.87 (0.81–0.94) | < 0.001 | ≤ 139.88 | 95.24 | 66.13 |
annular tear vs. no tear | 0.79 (0.72–0.85) | < 0.001 | ≤ 139.88 | 91.11 | 59.33 |
T2 mapping | |||||
Bulging vs. normal | 0.83 (0.76–0.90) | < 0.001 | ≤ 87.04 | 84.00 | 77.42 |
Herniation vs. normal | 0.89 (0.83–0.94) | < 0.001 | ≤ 82.36 | 95.24 | 80.65 |
annular tear vs. no tear | 0.82 (0.76–0.89) | < 0.001 | ≤ 82.28 | 86.67 | 71.33 |
T2* mapping | |||||
Bulging vs. normal | 0.64 (0.55–0.72) | 0.002 | ≤ 55.85 | 82.00 | 47.58 |
Herniation vs. normal | 0.69 (0.57–0.80) | 0.009 | ≤ 41.66 | 71.43 | 64.52 |
annular tear vs. no tear | 0.69 (0.61–0.77) | < 0.001 | ≤ 57.33 | 91.11 | 40.67 |