Clinical Study

Investigating γ H2AX as a Biomarker of Radiosensitivity Using Flow Cytometry Methods

Table 1

Clinical features of control and radiosensitive groups.

Clinical groupAge at diagnosis
(mean and range)
Preexisting cardiovascular disease/hypertensionPreexisting type II diabetesSmoker/exsmoker Mean follow-up time posttreatment (years)Mean time to onset of Grade 3 proctitis (range)

Control69 (60–77)8/203/208/206N/A
Radiosensitive73 (68–76)6/101/104/10721 months
(9–41 months)