Table 2 Geometric means (and geometric standard deviations) of urinary biomarkers (μg/g creatinine) and of γH2AX (from lymphocytes) in samples collected before and after work on both study days
From: Short-term markers of DNA damage among roofers who work with hot asphalt
Biomarker | Monday | Thursday | ||
|---|---|---|---|---|
Before (n = 20) | After (n = 20) | Before (n = 20) | After (n = 19) | |
1-OHNap | 13,766.6 (4.3) | 24,343.0 (3.2) | 17,500.8 (2.8) | 18,769.7 (4.5) |
2-OHNap | 54,176.4 (2.0) | 73,130.4 (2.5) | 73,130.4 (2.0) | 73,130.4 (2.1) |
1-OHPyr | 706.3 (3.7) | 2100.6* (3.0) | 1032.8 (4.5) | 1790.0 (3.7) |
8-OHdG | 2186.4 (1.8) | 4105.2* (1.4) | 2565.7 (1.4) | 3866.1* (1.5) |
γH2AX (MFI) | 1118.8 (1.2) | 1224.1* (1.1) | 1188.0 (1.1) | 1236.4 (1.2) |