Table 1 Patient characteristics (n = 32)

From: Carbon-ion radiotherapy for octogenarians with locally advanced non-small-cell lung cancer

Factors Value
Age (years)
 Median 82.0
 Range (80.0–88.0)
Sex
 Male 27 (84.4)
 Female 5 (15.6)
PS
 0 4 (12.5)
 1 26 (81.3)
 2 2 (6.2)
Smoking status
 Current or previous 27 (84.4)
 Never 5 (15.6)
Treatment status
 Initial treatment 30 (93.8)
 Recurrence or residual cancer after chemotherapy 2 (6.2)
Location of primary tumor
 Upper lobe 24 (75.0)
 Middle lobe 1 (3.1)
 Lower lobe 7 (2.2)
Operability
 Yes 4 (12.5)
 No 28 (87.5)
Clinical T classification
 1 3 (9.4)
 2 12 (37.5)
 3 12 (37.5)
 4 5 (15.6)
Clinical N classification
 0 12 (37.5)
 1 11 (34.4)
 2 9 (28.1)
Clinical stage
 ΙΙA 7 (21.9)
 ΙΙB 10 (31.3)
 ΙΙΙA 11 (34.4)
 ΙΙΙB 4 (12.5)
Histology of primary lung cancer
 Adenocarcinoma 15 (46.9)
 Squamous cell carcinoma 11 (34.4)
 Large cell carcinoma 1 (3.1)
 Non-small-cell carcinoma 1 (3.1)
 Unknown 4 (12.5)
Irradiated field
 Primary lesion 13 (40.6)
 Primary lesion + hilar lymph nodes 4 (12.5)
 Primary lesion + mediastinal lymph node 15 (46.9)
Total dose (Gy RBE)
 Median 72
 Range 68–76
CTV (cm3)
 Median 263.8
 Range 80.9–1475.5
VC (cm3)
 Median 2300
 Range 1100–3900
FEV1.0 (cm3)
 Median 1300
 Range 600–2700
FEV1/FVC (%)
 Median 63.8
 Range 34.2–83.7
%DLCO
 Median 75.5
 Range 32.8–178.4
  1. PS performance status, RBE relative biological effectiveness, CTV clinical target volume, VC vital capacity, FEV1 forced expiratory volume in 1 s, FVC forced vital capacity, %DLCO percent of diffusing capacity for carbon monoxide