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

Table 1

Associations between serum 8-oxo-dG level and characteristics of the study cohorts.

Type	Mean (ng/ml)	±SD		value
Age (median age: 66 years)
≥66	0.28	0.19	21
<66	0.33	0.29	14	0.511
Gender
Male	0.26	0.18	29
Female	0.48	0.36	6	0.049
CA199
≥37 U/ml	0.44	0.35	9
<37 U/ml	0.24	0.15	26	0.027
TK1
≥2 pmol/ml	0.30	0.20	22
<2 pmol/ml	0.29	0.25	13	0.954
Differentiation
Highly or moderately differentiated	0.48	0.30	8
Poorly differentiated or undifferentiated	0.25	0.17	27	0.011