| Table 2: 100 metaphases were scored for each sample Gaps and polyploids are not included in aberrant cells. Values in parenthesis are percentages ± S.E |
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Table-II. Chromosomal aberration frequencies in occupational tannery workers (smokers and non-smokers) exposed to chromium. |
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Group |
No. of Examinees |
% of Aberrant cells |
P value |
Control |
120 |
1.61 ± 0.09 |
- |
1-5 yrs |
75 |
4.82 ± 0.33 |
0.01 |
6-10 yrs |
50 |
6.84 ± 0.73 |
0.05/div> |
11-15 yrs |
35 |
8.22 ± 1.38 |
0.05 |
Total exposure |
160 |
6.20 ± 0.12 |
0.05 |