Table 3.

Baseline, induced, and residual DNA damage values (mean ± SD), measured by the Comet Assay in the three groups studied, healthy donors, HD-ST, and HD-NST

HSHD-NSTHD-STP
n161510
Baseline damage
    TI1.273 ± 1.63314.723 ± 1.84036.475 ± 1.273<0.01
    TM0.182 ± 1.5031.640 ± 1.6906.039 ± 1.659<0.01
X-radiation-induced damage
    TI41.591 ± 1.09644.771 ± 1.07647.206 ± 1.132<0.01
    TM8.090 ± 1.2358.072 ± 1.1719.099 ± 1.3090.3
Damage after 5 minutes of repair
    TI25.176 ± 1.06938.725 ± 1.10643.651 ± 1.156<0.01
    TM3.953 ± 1.2076.208 ± 1.2357.780 ± 1.339<0.01
Damage after 15 minutes of repair
    TI14.157 ± 1.20732.210 ± 1.17241.114 ± 1.169<0.01
    TM2.128 ± 1.2054.634 ± 1.3066.854 ± 1.422<0.01

P value is calculated by ANOVA test.

Abbreviations: n, number of cases; TI, tail intensity; TM, tail moment; HS, healthy subjects.