Table 2 Agreement between scoring modalities relative to MRI Pfirrmann grade cut-off
From: Scorer and modality agreement for the detection of intervertebral disc calcification in Dachshunds
Compared modalities | Pfirrmann grade ≥ 1 | Pfirrmann grade ≥ 2 | Pfirrmann grade ≥ 3 | Pfirrmann grade ≥ 4 | Pfirrmann grade = 5 |
|---|---|---|---|---|---|
Radiography vs. CT | 64.2% (58.5–69.4) | 64.4% (58.5–69.9) | 65.6% (58.0–72.5) | 67.0% (59.0–74.2) | 67.1% (58.9–74.3) |
Radiography vs. MRI | 20.1% (16.2–24.6) | 46.4% (40.1–52.8) | 80.8% (75.1–85.4) | 85.4% (80.3–89.3) | 83.9% (78.4–88.2) |
CT vs. MRI | 45.9% (39.9–52.0) | 51.1% (44.6–57.5) | 62.8% (54.8–70.0) | 64.9% (56.5–72.4) | 62.8% (54.2–70.7) |