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

Table 2

Associations between changes of serum 8-oxo-dG and tumour response.

Changes of serum 8-oxo-dG	Tumour response			value
	CR + PR	SD + PD
All patients ()
Increase	11	3
Decline	6	15	8.41	0.006
The radiotherapy group ()
Increase	7	1
Decline	4	7	4.96	0.026
The chemotherapy group ()
Increase	4	2
Decline	2	8	3.48	0.062