Table 5.
Strength of concordance between LSM and FibroTest (FT) according to positions
| Position (No. of patients) |
Method assessing |
Kappa |
| Discordance rate (%) | ||
| Quantitative concordance | Spearman mean (95% CI) | Intra class coefficient mean (95% CI) |
| All positions applicable | ||
| Reference (196) | 0.46 (0.34-0.56) | 0.55 (0.33-0.67) |
| Anterior (196) | 0.46 (0.34-0.56) | 0.56 (0.34-0.68) |
| Lower (196) | 0.40 (0.27-0.51) | 0.50 (0.38-0.62) |
| Mean of positions (196) | 0.47 (0.35-0.57) | 0.56 (0.34-0.68) |
| At least one position applicable | ||
| Reference (306) | 0.44 (0.35-0.53) | 0.51 (0.39-0.63) |
| Anterior (357) | 0.46 (0.38-0.54) | 0.54 (0.32-0.66) |
| Lower (302) | 0.39 (0.29-0.49) | 0.50 (0.38-0.62) |
| Two classes concordance | Discordance rate n (%) | Kappa mean (SE) |
| Cutoff 7.1 kPa | ||
| All positions applicable | ||
| Reference (196) | 66 (33.6)a | 0.30 (0.07) |
| Anterior (196) | 61 (31.1) | 0.32 (0.07) |
| Lower (196) | 71 (36.2) | 0.24 (0.07) |
| Mean of positions (196) | 67 (34.2) | 0.28 (0.07) |
| At least one position applicable | ||
| Reference (306) | 107 (34.9)b | 0.28 (0.06) |
| Anterior (357) | 112 (31.6) | 0.33 (0.05) |
| Lower (302) | 109 (36.1)c | 0.24 (0.06) |
| Cutoff 8.8 kPa | ||
| All positions applicable | ||
| Reference (196) | 46 (23.5)a | 0.45 (0.07) |
| Anterior (196) | 54 (27.6) | 0.33 (0.07) |
| Lower (196) | 56 (28.6) | 0.34 (0.07) |
| Mean of positions (196) | 52 (26.5) | 0.37 (0.07) |
| At least one position applicable | ||
| Reference (306) | 82 (26.8)b | 0.38 (0.06) |
| Anterior (357) | 108 (30.2) | 0.30 (0.05) |
| Lower (302) | 84 (27.8)c | 0.34 (0.06) |
a,b,cP = 0.03 between 7.1 and 8.8 kPa.