Table 3 Associations between baseline medial meniscal extrusion and baseline cartilage defect score and change in cartilage defect score over 2 years

Baseline cartilage defect score

   Medial tibial (0–4)

5.91 (2.53–13.77)*

3.41 (1.36–8.57)*

0.63 (0.17–2.32)

   Medial femoral (0–4)

6.71 (2.65–16.99)*

4.62 (1.74–12.30)*

2.39 (0.71–8.02)

   Medial tibiofemoral (0–8)

3.42 (1.92–6.10)*

2.45 (1.36–4.40)*

1.23 (0.59–2.53)

   Lateral tibial (0–4)

1.52 (0.59–3.98)

0.97 (0.29–3.22)

0.20 (0.03–1.37)

   Lateral femoral (0–4)

1.84 (0.78–4.34)

1.30 (0.45–3.74)

0.49 (0.12–2.05)

   Lateral tibiofemoral (0–8)

1.33 (0.82–2.17)

1.13 (0.63–2.05)

0.55 (0.22–1.39)

Change in cartilage defect score

   Medial tibial (0–4)

1.54 (0.57–4.13)

1.24 (0.45–3.44)

0.31 (0.07–1.42)

   Medial femoral (0–4)

3.12 (1.50–6.49)*

2.59 (1.14–5.86)*

1.30 (0.51–3.35)

   Medial tibiofemoral (0–8)

1.79 (1.06–3.03)*

1.56 (0.88–2.77)

0.85 (0.40–1.81)

   Lateral tibial (0–4)

2.92 (1.25–6.79)*

2.64 (1.03–6.76)*

1.54 (0.48–4.95)

   Lateral femoral (0–4)

2.30 (1.10–4.81)*

1.68 (0.74–3.79)

1.01 (0.39–2.67)

   Lateral tibiofemoral (0–8)

2.01 (1.22–3.31)*

1.80 (1.05–3.08)*

1.21 (0.61–2.42)