Serum 8-Oxo-dG as a Predictor of Sensitivity and Outcome of Radiotherapy and Chemotherapy of Upper Gastrointestinal Tumours

Table 3

Concentrations of serum 8-oxo-dG before and after the treatment.

Types	All patients (ng/ml)		Radiotherapy group (ng/ml)		Chemotherapy group (ng/ml)
	CR + PR	SD + PD	CR + PR	SD + PD	CR + PR	SD + PD
Before treatment	0.21 ± 0.15	0.52 ± 0.34^☆	0.25 ± 0.14	0.46 ± 0.25^☆☆	0.17 ± 0.16	0.37 ± 0.32
After treatment	0.38 ± 0.32	0.35 ± 0.23	0.43 ± 0.33	0.33 ± 0.17	0.27 ± 0.24	0.39 ± 0.36

and compared with the values before treatment; and compared with the values in the CR + PR groups.