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Table 4 Serum tumor marker levels of the two groups (\( \overline{\mathrm{X}} \) ±s)

From: Clinical study of systemic chemotherapy combined with bronchoscopic interventional cryotherapy in the treatment of lung cancer

Project Test group (n = 208) Control group (n = 204) P Value
Before treatment
 CEA (ng/ml) 96.27 ± 9.57 95.38 ± 9.21 0.34
 NSE (ng/ml) 88.62 ± 7.52 88.01 ± 7.44 0.41
 CYFRA21-1 (ng/ml) 37.84 ± 5.90 37.58 ± 6.00 0.66
 CA199 U/ml 51.83 ± 7.53 50.69 ± 7.42 0.12
After treatment
 CEA (ng/ml) 22.68 ± 3.53 56.53 ± 7.51 <  0.0001
 NSE (ng/ml) 25.59 ± 4.53 58.19 ± 8.63 <  0.0001
 CYFRA21-1 (ng/ml) 9.88 ± 0.55 22.08 ± 2.37 <  0.0001
 CA199 U/ml 27.15 ± 4.69 47.95 ± 4.56 <  0.0001
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