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Table 3 Relation of lead level and patients’ characteristics

From: Evaluation of blood lead level in methamphetamine users in Tehran

 

Mean (SD)

P Value*

Sex

Male

2.2 ± 1.1

0.313

Female

2.9 ± 0.2

Age group

<= 30 year

2.4 ± 1.1

0.543

>30 year

2.0 ± 1.0

Administration route

Inhalation

2.3 ± 1.0

0.711

Oral

2.0 ± 1.0

Dosage

<= 0.5 gr/day

2.8 ± 1.2

0.128

>0.5 gr/day

2.1 ± 0.8

  1. * Mann-Whitney U tests