Table 2. Association between serum Haptoglobin levels and characteristical variables in NSCLC patients.
| Variables | Number | Haptoglobin (mg/mL) | P values |
|---|---|---|---|
| Age (Y) | |||
| ≤ 60 | 121 | 1.976 ± 1.098 | 0.9240 |
| > 60 | 84 | 1.996 ± 0.972 | |
| Gender | |||
| Male | 134 | 1.971 ± 1.029 | 0.6071 |
| Female | 71 | 2.014 ± 1.066 | |
| Smoking status | |||
| Non-smoker | 58 | 1.889 ± 0.920 | 0.6772 |
| Smoker | 147 | 2.023 ± 1.084 | |
| Histology | |||
| Adenocarcinoma | 116 | 2.009 ± 1.023 | 0.8547 |
| Squamous cell carcinoma | 76 | 1.964 ± 1.045 | |
| TNM stage | |||
| I + II | 61 | 1.675 ± 0.881 | 0.0138 |
| III + IV | 144 | 2.117 ± 1.076 | |
| Differentiation | |||
| Well | 46 | 1.964 ± 0.954 | 0.8732 |
| Moderate and low | 144 | 1.993 ± 1.052 | |
| Lymph node metastases | |||
| Negative | 74 | 1.719 ± 0.917 | 0.0356 |
| Positive | 131 | 2.136 ± 1.077 | |
| Distant metastases | |||
| Negative | 155 | 1.867 ± 1.005 | 0.0004 |
| Positive | 50 | 2.354 ± 1.069 |