Table 1 Clinical characteristics of study patients (N = 67)
From: Application of four-dimensional cone beam computed tomography in lung cancer radiotherapy
Group | Number (%) | Mean | Median | Range | |
|---|---|---|---|---|---|
Gender | Male | 50 (74.6) | - | - | - |
Female | 17 (25.4) | - | - | - | |
Age | 36–60 | 27 (40.3) | - | - | - |
61–70 | 24 (35.8) | - | - | - | |
≥ 71 | 16 (23.9) | 63 | 63 | 36–82 | |
BMI (kg/m2) | - | - | 24.79 | 24.49 | 15.85–32.53 |
Tumor volume | 0–50 | 45 (67.2) | 42.31 | 13.81 | 0.44–285.78 |
50–300 | 22 (32.8) | ||||
Tumor site | Upper lobe of the right lung | 19 (28.4) | - | - | - |
Middle lobe of the right lung | 5 (7) | ||||
Lower lobe of the right lung | 17 (25.4) | ||||
Upper lobe of the left lung | 8 (13.4) | ||||
Lower lobe of the left lung | 18 (26.8) | ||||
Adjacent to surrounding structures | Mediastinum | 19 (28.4) | - | - | - |
Chest wall | 15 (22.4) | ||||
Diaphragm | 8 (11.9) | ||||
Pulmonary atelectasis or obstructive pneumonia | Yes | 5 (7.5) | - | - | - |
No | 62 (92.5) | ||||
Image datasets | 4D CBCT | 260 | - | - | - |
3D CBCT | 228 |