Paoliello MM, Gutierrez PR, Turini CA, Matsuo T, Mezzaroba L, Barbosa DS, Alvarenga AL, Carvalho SR, Figueiroa GA, Leite VG, Gutierrez AC, Nogueira KB, Inamine WA, Zavatti AM. [Reference values for lead levels in blood for the urban population].
Rev Saude Publica 1997;
31:144-8. [PMID:
9497561 DOI:
10.1590/s0034-89101997000200007]
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Abstract
INTRODUCTION
The lead reference values for blood used in Brazil come from studies conducted in other countries, where socioeconomic, clinical, nutritional and occupational conditions are significantly different. In order to guarantee an accurate biomonitoring of the population which is occupationally exposed to lead, a major health concern of the studied community, reference values for individuals who are not occupationally exposed and who live in the southern region of the city were established.
MATERIAL AND METHOD
The sample was composed of 206 subjects of at least 15 years of age. Various strategies were employed to assure good-quality sampling. Subjects who presented values outside clinical or laboratory norms were excluded, as well as those whose specific activities might interfere with the results.
RESULTS
Lead reference values for blood were found to be from 2.40 to 16.6 micrograms.dL-1, obtained by the interval x +/- 2s (where x is the mean and s is the standard deviation form observed values) and the median was 7.9 micrograms.dL-1.
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