Table 1 The patient characteristics (n = 35)
From: Clinical results of proton beam therapy for elderly patients with non-small cell lung cancer
Characteristics | |
|---|---|
Age (years) | |
Median (range) | 82 (80–87) |
Gender | |
Male | 9 (26%) |
Female | 26 (74%) |
Performance status | |
0 | 14 (40%) |
1 | 15 (43%) |
2 | 6 (17%) |
Comorbidity index | |
0 | 5 (14%) |
1 | 17 (48.5%) |
2 | 8 (23%) |
3 | 3 (8.5%) |
4 | 2 (6%) |
Operable or inoperable | |
Operable | 10 (29%) |
Inoperable | 25 (71%) |
Follow-up time (months) | |
Median (range) | 34 (10–72) |
T category a | |
T1 | 13 (37%) |
T2 | 13 (37%) |
T3 | 8 (23%) |
T4 | 1 (3%) |
Stage a | |
I | 21 (60%) |
II | 13 (37%) |
III | 1 (3%) |
Tumor location | |
Right upper lobe | 4 (11%) |
Right middle lobe | 2 (6%) |
Right lower lobe | 8 (23%) |
Left upper lobe | 14 (40%) |
Left lower lobe | 7 (20%) |
Histopathology | |
Squamous cell carcinoma | 17 (48.5%) |
Adenocarcinoma | 17 (48.5%) |
Non-small cell lung cacner | 1 (3%) |
Diameter of lung tumor (mm) | |
Median (range) | 32.0 (10.0–67.0) |
Total dose (Gy (RBE)) | |
Median (range) | 80.0 (60.0–80.0) |