Table 2

Relation between imaging severity and clinical outcome: (a) ultrasound (US) at baseline and 12 months clinical outcome; (b) US at the time of the 12 month follow up and clinical status compared with baseline

Clinical follow up at 12 months
ImprovedSameWorseTotal
χ2 = 16.8; p = 0.002.
US appearance at baseline
    Normal430135
    Thickened303
    Hypoechoic1023033
    Total1456171
US appearance at follow up
    Normal330033
    Thickened718
    Hypoechoic1017027
    Total1354168