HP and non-small cell lung carcinoma: Meanwhile, statistically significant differences in haptoglobin levels were found between NSCLC patients with distant metastases and those patients without distant metastases (2.354 ± 1.069 mg/mL, 1.867 ± 1.005 mg/mL, respectively, P = 0.0004) (Table 2, Figure 1D).