Table 1.
Patient characteristics
| Parameter | Value |
|---|---|
| Age (y) | 67±12 |
| Gender | |
| Male | 15 (83.3) |
| Female | 3 (16.7) |
| FEV1 (%pred)* | 67±29 |
| FVC (%pred)† | 80±24 |
| FEV1/FVC (%)‡ | 69±24 |
| DLCO (%pred)§ | 79±25 |
| Histology | |
| Lung cancer | 14 (77.8) |
| Thoracic paraganglioma | 1 (5.6) |
| Metastases to the lung | 3 (16.6) |
| Clinical stage** | |
| I | 3 (20.0) |
| II | 2 (13.3) |
| III | 6 (40.0) |
| IV | 4 (26.7) |
| Lung volume (l)†† | |
| Peak-exhale | 3.6±1.7 |
| Peak-inhale | 4.2±1.8 |
Abbreviations: FEV1 = forced expiratory volume in 1 s, FVC = forced vital capacity, DLCO = diffusing capacity of the lung for carbon monoxide.
Data are means ± standard deviations, or numbers with percentages in parentheses.
*
Available for 16 patients.
†
Available for 14 patients.
‡
Available for 15 patients.
§
Available for 13 patients.
**
For 15 patients with primary lung cancer or thoracic paraganglioma.
††
Determined by the segmentation method for the 4D-CT images (see the Methods and Materials section).