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Table 2 Agreement between TE and ARFI fibrosis stage classification according to “equivalent Metavir” fibrosis scores

From: Acoustic Radiation Force Impulse (ARFI) and Transient Elastography (TE) for evaluation of liver fibrosis in HIV-HCV co-infected patients

  

ARFI

  

F1

F2

F3

F4

TOTAL

TE

F1

23

6

2

0

31

F2

3

3

1

0

7

F3

0

0

0

2

2

F4

0

0

0

6

6

TOTAL

26

9

3

8

46

  1. Observed agreement: 69.6% 95% CI = [54.2–82.3].
  2. Weighted Kappa coefficient: 0.82 95% CI = [0.70–0.95].