Table 1.
Clinical characteristics of patients.
| Non-PD group | PD group | p-value | ||
|---|---|---|---|---|
| (n = 39) | (n = 33) | |||
| Patients | 34 | 29 | ||
| Age | 62.0 | 60.7 | 0.387* | |
| Sex | 0.342 | |||
| Male | 29 | 22 | ||
| Female | 5 | 7 | ||
| Smoking status | 0.176 | |||
| Current smoker | 26 | 16 | ||
| Never smoker | 6 | 11 | ||
| Former smoker | 2 | 2 | ||
| Histology | 0.758 | |||
| Adenocarinoma | 21 | 19 | ||
| Squamous cell carcinoma | 13 | 10 | ||
| Stage | 0.066 | |||
| III | 13 | 5 | ||
| IV | 21 | 24 | ||
| Previous therapy | 0.805 | |||
| Treatment naïve | 0 | 1 | ||
| Exclusively chemotherapy/TKI | 21 | 16 (1 TKI) | ||
| Chemotherapy + Radiochemotherapy | 8 | 8 | ||
| Chemotherapy + Radiochemotherapy + Surgery | 2 | 1 (surgery of brain metastasis) | ||
| Chemotherapy + Surgery | 3 | 3 | ||
| Target lesion | Total | 39 | 33 | 0.126 |
| Right upper lobe | 12 | 14 | ||
| Right middle lobe | 0 | 0 | ||
| Right lower lobe | 9 | 4 | ||
| Left upper lobe | 10 | 4 | ||
| Left lower lobe | 8 | 8 | ||
| Two lobes or more | 0 | 3 |
*
p-value is obtained by the t-test; otherwise, p-value is obtained by Chi-square test.
Non-PD group, non-progressive group; PD group, progressive group.