Table 3 The diagnostic value of sagittal radio- and intercarpal angles for SNAC*
Sagittal radio- and intercarpal angles | AUC | 95% CI | Optimal Cut-off Value (degrees)* | Sensitivity (%) | Specificity (%) |
|---|---|---|---|---|---|
Radiolunate | 0.983 | 0.961 to 1.000 | ≤-12 | 100 | 89 |
Radiotriquetral | 0.999 | 0.995 to 1.000 | ≤ 7 | 100 | 98 |
Radiotrapezium | 0.815 | 0.689 to 0.942 | ≤ 8 | 67 | 90 |
Scapholunate | 0.975 | 0.944 to 1.000 | ≤-66 | 100 | 85 |
Lunotriquetral | 0.726 | 0.572 to 0.880 | \(\:\le\:\)8 | 75 | 72 |
Scaphotrapezium | 0.872 | 0.769 to 0.975 | ≤-52 | 75 | 90 |
Scaphotrapezoid | 0.826 | 0.727 to 0,924 | ≤-71 | 92 | 64 |
Scaphocapitate | 0.744 | 0.599 to 0.890 | ≤-79 | 75 | 70 |
Lunocapitate | 0.862 | 0.734 to 0.989 | ≥-8 | 92 | 77 |
Lunohamate | 0.940 | 0.882 to 0.998 | ≥ 14 | 92 | 86 |
Triquetrohamate | 0.997 | 0.992 to 1.000 | ≥ 4 | 100 | 98 |
Capitometacarpal | 0.806 | 0.704 to 0.909 | ≥ 7 | 100 | 51 |
Capitohamate | 0.812 | 0.717 to 0.907 | ≥ 19 | 92 | 65 |