Grade III, IV (n = 8)

Grade I, II (n = 81)

p-value

mLUS (mm)

0.67 (0.40 - 1.47)

2.07 (0.40 - 10.7)

<0.0001

fLUS (mm)

2.52 (1.60 - 4.30)

4.37 (1.53 - 17.4)

0.0005