Table 1.
Descriptive characteristics of patients, blood counts and protein levels at baseline.
| n (%)/median (range) | |
|---|---|
| Age (yr) | 70 (47–88) |
| BMI | 23.8 (16.0–41.9) |
| Treatment | |
| RT: | 28 (45) |
| RT + erlotinib: | 34 (55) |
| Gender | |
| Male: | 42 (68) |
| Female: | 20 (32) |
| Smoking history | |
| Current: | 18 (29) |
| Former: | 44 (71) |
| Stage | |
| III: | 18 (29) |
| IV: | 39 (63) |
| Unknown: | 5 (8) |
| GTV (cm3) | 124.0 (2.5–883.4) |
| Histology | |
| Adenocarcinoma: | 35 (56) |
| Squamous cell carcinoma: | 21 (34) |
| Large cell carcinoma: | 6 (10) |
| ECOG PS | |
| 0 | 11 (18) |
| 1 | 34 (55) |
| 2 | 17 (27) |
| Baseline blood counts and protein levels (n = 49) | |
| Leukocytes (×109 cells/L) | 10 (4.4–27.2) |
| Neutrophils (×109 cells/L) | 7.2 (2.8–23.2) |
| Lymphocytes (×109 cells/L) | 1.6 (0.5–3.5) |
| Monocytes (×109 cells/L) | 0.6 (0.2–2.5) |
| Platelets (×109 cells/L) | 341 (168–791) |
| CRP/Albumin | 0.56 (0.03–5.8) |
Abbreviations: BMI: body mass index, RT: Radiotherapy, ECOG PS: Eastern cooperative oncology group performance status, CRP: C-reactive protein, GTV: Gross tumor volume