Table 1.
Ultrasonography abnormalities in patients and comparison between two groups (n-56 hands)
| Ultrasonographic abnormalities | Number of abnormal hands | Specificity | Sensitivity |
|---|---|---|---|
| CSA mm2 [0.88] | 55 [98.21%] | 74.00 | 98.21 |
| FR [>3.53] | 18 [32.14%] | 64.00 | 32.14 |
| APD mm [>10.8] | 44 [78.57%] | 62.00 | 78.57 |
| Ultrasonographic parameter | Test group (56 hands) (Mean±SD) | Control group (50 hands) (Mean±SD) | P |
| CSA [mm2] | 1.46±0.45 | 0.079±0.018 | 0.0001 |
| FR | 3.36±0.56 | 3.31±0.78 | 0.726 |
| APD [mm] | 12.3±1.9 | 1.03±0.17 | 0.0001 |
CSA- Cross section area, FR- Flattening ratio, APD- Antero-posterior diameter