Table 3. Qualitative and semiquantitative assessment scores derived from standard HRCT and from reduced HRCT.
| Assessment score | Standard HRCT | Reduced HRCT | P value | |||||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Range | Mean | SD | Range | |||
| Severity score (qualitative assessment) | 4.68 | 3.49 | 0–15 | 5.23 | 4.28 | 0–18 | 0.051 | |
| Extension score (semiquantitative assessment) | 4.99 | 5.28 | 0–19 | 4.83 | 5.02 | 0–21 | 0.073 | |
| Total score (summary score of severity score and extension score) | 9.61 | 7.93 | 0–25 | 10.36 | 8.67 | 0–26 | 0.060 | |
HRCT, high-resolution computed tomography; SD, standard deviation.