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CT densities (Hounsfield units) in pulmonary regions selected as normal on CT scans in IPF and control subjects
| Group | CT density (HU) | p value | 95 % confidence interval | ||
|---|---|---|---|---|---|
| Mean | SD | Lower bound | Upper bound | ||
| Control | −765.97 | 51.54 | 0.08 | −786.17 | −745.77 |
| IPF | −738.64 | 57.60 | −761.22 | −716.06 | |
