Table 4 Frequencies of BLL ≥ 5 μg/dL in the study population
From: The relationship between blood lead levels and occupational exposure in a pregnant population
Subjects | BLLs ≥ 5 μg/dL n (%) | BLLs <5 μg/dL n (%) |
|---|---|---|
Exposed group (n = 31) | 7 (22.6) | 24 (77.4) |
Control group (n = 268) | 19 (7.1) | 249 (92.9) |
Total (n = 299) | 26 (8.7) | 273 (91.3) |