Table 1.
Patient and tumor characteristics
| Variables | N | Percentage (%) |
|---|---|---|
| All Patients | 328 | 100 |
| Gender | ||
| Male | 156 | 47.6 |
| Female | 172 | 52.4 |
| TNM Stage | ||
| Stage IA/IB | 46/43 | 14.0/13.1 |
| Stage IIA/IIB | 19/18 | 5.8/5.5 |
| Stage IIIA/IIIB | 52/39 | 15.9/11.9 |
| Stage IV | 111 | 33.8 |
| Histology | ||
| Adenocarcinoma | 129 | 39.3 |
| Squamous cell carcinoma | 92 | 28.0 |
| Large cell carcinoma | 21 | 6.4 |
| Not otherwise specified | 78 | 23.8 |
| Others | 8 | 2.4 |
| Treatment* | ||
| No cancer specific therapy | 37 | 11.3 |
| No surgery with chemo/XRT | 180 | 54.9 |
| Chemo only | 55 | |
| XRT only | 28 | |
| Both | 97 | |
| Surgery | 111 | 33.8 |
| Age (years: mean±SD, median [range]) | 67.5±10.5, 68.3 [30.0–89.9] | |
| MTVWB(ml: mean±SD, median [range]) | 149.57±221.29, 66.33 [1.04–1566.88] | |
Notes: N = number of patients; others = other types of non-small cell lung cancer; Chemo/XRT = chemoradiation; SD = standard deviation; MTVWB = whole-body metabolic tumor volume.
Surgery was always performed with curative intent, but the intent of non-surgical treatment was unknown.