Ultrasound

Total

Kappa (k)

Interpretation

SA (+)

SA (−)

Clinical

SA (+)

2

(3.8)

9

(17.0)

11(20.8)

SA (−)

7

(13.2)

35

(66.0)

42 (79.2)

0.16

Very weak agreement

Total

9

(17.0)

44

(83.0)

53 (100.0)