Table 2

Correlation of baseline imaging variables with change in symptoms

All patients (n = 30)

The weight loss arm (n = 15)


Δ Pain (%) 1

Δ Disability (%) 1

Δ Pain (%) 1

Δ Disability (%) 1


K/L score

Medial chamber

r = 0.03; (P = 0.86)

r = 0.16; (P = 0.39)

r = -0.15; (P = 0.59)

r = -0.09; (P = 0.75)

Lateral chamber

r = 0.10; (P = 0.59)

r = -0.03; (P = 0.89)

r = 0.14; (P = 0.61)

r = 0.20; (P = 0.48)

Patellofemoral chamber

r = 0.03; (P = 0.87)

r = -0.09; (P = 0.61)

r = -0.17; (P = 0.55)

r = -0.19; (P = 0.50)

Total score

r = 0.13; (P = 0.50)

r = -0.003; (P = 0.98)

r = -0.08; (P = 0.79)

r = -0.07; (P = 0.79)


MRI score

BML

r = 0.03; (P = 0.86)

r = -0.05; (P = 0.80)

r = 0.29; (P = 0.29)

r = 0.03; (P = 0.91)

Cartilage

r = 0.10; (P = 0.58)

r = -0.09; (P = 0.65)

r = 0.04; (P = 0.90)

r = -0.43; (P = 0.11)

Effusion

r = 0.15; (P = 0.44)

r = 0.04; (P = 0.82)

r = -0.11; (P = 0.71)

r = 0.07; (P = 0.79)

Synovitis

r = 0.17; (P = 0.36)

r = 0.11; (P = 0.55)

r = -0.004; (P = 0.99)

r = -0.15; (P = 0.60)

Total

r = 0.19; (P = 0.31)

r = 0.03; (P = 0.88)

r = -0.02; (P = 0.94)

r = -0.18; (P = 0.52)


1 Measured by the WOMAC-index

Gudbergsen et al. BMC Musculoskeletal Disorders 2011 12:56   doi:10.1186/1471-2474-12-56

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