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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)
  1. Model estimates (95% CI) of pairwise agreement between scoring modalities for each MRI Pfirrmann grade cut-off used to binarize data into a ‘positive’ or ‘negative’ score for intervertebral disc (IVD) calcification
  2. CT computed tomography, MRI magnetic resonance imaging