Table 2.
Correlation between linear dimensions and volume of the spleen; calculated splenomegaly cut-offs and their effectiveness in detection of volumetric splenomegaly; in bold—best correlation
| Linear dimension | Pearson linear correlation | Splenomegaly cut-off (cm) |
χ
2
p value |
Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | |
|---|---|---|---|---|---|---|---|---|
| p value | r | |||||||
| Maximal length | p < 0.05 | 0.756 | 11.5 | p < 0.05 | 80.0 | 90.8 | 57.1 | 96.7 |
| Maximal thickness | 0.585 | 7 | 37.1 | 90.4 | 37.1 | 90.4 | ||
| Hilum thickness | 0.649 | 4 | 68.6 | 76.0 | 30.4 | 94.1 | ||
| Maximal height | 0.804 | 12 | 71.4 | 91.7 | 56.8 | 95.5 | ||
| Vertical height | 0.790 | 10.5 | 82.9 | 91.7 | 60.4 | 97.2 | ||
| Estimated height | 0.563 | 15.5 | 40.0 | 91.3 | 41.2 | 90.9 | ||