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

Table 4

Associations between changes of serum 8-oxo-dG and acute side effects.

Acute side effects	Changes of serum 8-oxo-dG			value
	Increase	Decline
Radiotherapy group ()
Moderate or severe skin reaction
Yes	3	0
No	6	10	3.96	0.047
Moderate or severe oesophageal mucosa reaction
Yes	4	0
No	5	10	5.63	0.018
Chemotherapy group ()
3 or 4 degrees of bone marrow suppression
Yes	3	2
No	2	9	2.79	0.09
3 or 4 degrees of gastrointestinal reaction
Yes	3	3
No	2	8	1.57	0.21