Comparative Assessment of Blood Lead Levels of Automobile Technicians in Organised and Roadside Garages in Lagos, Nigeria

Table 4

Median blood lead levels (μg/dL) of subjects.

Median (range)	Roadside ( = 172)	Organised ( = 181)	Mann-Whitney Test
	Median (range)	value	value
43.5 (0.0–130.0) μg/dL	66.0 (0.0–133.0) μg/dL	−1.263	0.04^*