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Distribution of blood lead and haemoglobin concentrations in the 93 children studied
| Subject (no. of subjects) | Mean age (in year) | Sex | Blood lead concentration (μg/100 ml) | Haemoglobin (gm/100 ml) | |
|---|---|---|---|---|---|
| Male | Female | ||||
| ‘Surma’ user (69) | 6.7 ± 2.9 | 20 | 49 | 29.6 ± 10.2* | 10.2 ± 1.4* |
| Control group (24) | 6.4 ± 3.2 | 06 | 18 | 4.9 ± 0.8 | 14.5 ± 0.9 |
Reference haemoglobin levels for human subjects: 11.5–15.0 g/100 ml [8]
Values represent mean ± SD
* p < 0.001
