Research Article
[Retracted] The Change of Soluble Programmed Death Ligand 1 (sPD-L1) in Plasma of Small Cell Lung Cancer and Its Clinical Significance
Table 1
General information for two groups of patients
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| Characteristics | Experimental group () | Control group () |
| Sex (male/female) | 72/18 | 18/12 | Age (age) | | | Number of smokers (example) | 57 | 14 | Tumor stage (example) | | | I stage | 8 | — | II stage | 8 | — | III stage | 31 | — | IV stage | 43 | — |
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