[Retracted] Statistical Analysis for Identifying Differentially MicroRNA in Serum Exosomes of Lead Workers

Table 2

General characteristics among the study population (N = 12).

Number of subjects	The control group (N= 4)	The exposure group (N= 8)
Age (years)	30.22 ± 2.76	36.53 ± 3.10
Gender
Male	1 (25%)	4 (50%)
Female	3 (75%)	4 (50%)
Body mass index (BMI)	23.59 ± 1.17	26.95 ± 5.09
Lead exposure year	0.00 ± 0.00	10.38 ± 2.62
Blood lead level (μg/L)	36.52 ± 3.43	273.07 ± 175.06