Table 2. Logistic regression analysis of independent risk factors for response to chemotherapy in patients with NSCLC.
| OR | 95% CI for OR |
P | ||
|---|---|---|---|---|
| Lower | Upper | |||
| Gender | 0.509 | 0.209 | 1.244 | 0.139 |
| Age | 2.059 | 1.003 | 4.224 | 0.049 |
| Tumor stage | 1.117 | 0.800 | 1.558 | 0.517 |
| Lymph node metastasis | 0.952 | 0.673 | 1.346 | 0.779 |
| Pleural effusion | 2.498 | 0.770 | 8.109 | 0.128 |
| TNM stage | 0.969 | 0.435 | 2.160 | 0.939 |
| Smoking habits | 0.734 | 0.308 | 1.752 | 0.487 |
| ECOG PS | 2.072 | 0.262 | 16.380 | 0.490 |
| Histology | 0.865 | 0.453 | 1.654 | 0.661 |
| PLR | 4.503 | 2.213 | 9.166 | 0.000 |
| Constant | 0.022 | 0.112 | ||
NSCLC, non-small cell lung cancer; CI, confidence interval; OR, odds ratio; TNM, tumor lymph node metastasis; ECOG, the eastern cooperative oncology group; PS, performance status; PLR, platelet-to-lymphocyte ratio.