Table 1. Demographic and clinical characteristics of 16 NSCLC patients with abnormal serum EPO concentrations.
| No. of patients (n) | Serum EPO (mU/ml) before surgery | Serum Epo (mU/ml) after surgery | P value | |
|---|---|---|---|---|
| All patients | 16 | 61.15±18.79 | 13.87±3.74 | 0.018 |
| Age | ||||
| 62< | 6 | 30.8±4.86 | 6.79±1.45 | 0.000 |
| 62≥ | 10 | 81.39±30.22 | 18.59±5.37 | 0.007 |
| Gender | ||||
| male | 9 | 78.36±32.45 | 16.23±6.17 | 0.041 |
| female | 7 | 40.11±12.41 | 11.00±3.73 | 0.019 |
| Smoking status | ||||
| non-smoker | 4 | 49.11±19.36 | 12.42±6.08 | 0.043 |
| current or ex-smoker | 12 | 65.19±26.00 | 14.51±4.8 | 0.035 |
| Histology | ||||
| adenocarcinoma | 8 | 46.15±13.79 | 11.99±3.52 | 0.016 |
| squamous cell carcinoma | 8 | 74.59±35.63 | 15.78±6.78 | 0.043 |
Comparison made with the paired t-test. All p values are two-sided. Cut off value of age is median value.