Table 1. Hematologic parameters of the lead-poisoned children and the healthy controls.

Parameters	HC (N = 356)	LP (N = 356)	P
WBC, ×109/L	7.97 ± 2.59	8.57 ± 3.01	<0.05*
Neutrophils, ×109/L	3.43 ± 1.84	3.88 ± 1.67	<0.05*
Lymphocytes, ×109/L	3.66 ± 1.56	4.06 ± 2.14	0.06
Monocytes, ×109/L	0.44 ± 0.17	0.34 ± 0.19	<0.05*
Eosinophil, ×109/L	0.25 ± 0.22	0.26 ± 0.32	0.20
Basophil, ×109/L	0.04 ± 0.03	0.03 ± 0.02	<0.05*
Hemoglobin, g/L	131.17 ± 9.13	124.32 ± 10.72	<0.05*
RBC, ×1012/L	4.78 ± 0.36	4.65 ± 0.34	<0.05*
HCT, %	0.39 ± 0.03	0.37 ± 0.03	<0.05*
MCV, fL	81.29 ± 4.50	80.24 ± 6.40	0.08
MCH, pg	27.54 ± 1.74	26.85 ± 2.39	<0.05*
MCHC, g/L	338.68 ± 8.41	334.49 ± 10.61	<0.05*
RDW-CV, %	12.68 ± 0.86	13.54 ± 1.21	<0.05*
RDW-SD, fL	37.47 ± 2.29	43.52 ± 4.97	<0.05*
Platelet, ×109/L	317.97 ± 68.47	338.63 ± 89.55	<0.05*
PCT, %	0.28 ± 0.06	0.29 ± 0.07	0.29
MPV, fL	9.04 ± 0.86	8.75 ± 1.20	<0.05*
PDW, %	15.53 ± 1.22	14.78 ± 1.95	<0.05*
Blood lead, µg/L	40.26 ± 15.60	186.47 ± 74.31	<0.05*

Notes.

Data are mean ± standard deviation.

^*A statistically significant difference.

Abbreviations

WBC

white blood cell count

RBC

red blood cell count

HCT

hematocrit

MCV

mean corpuscular volume

MCH

mean corpuscular hemoglobin

MCHC

mean corpuscular hemoglobin concentration

RDW

red blood cell distribution width

CV

Coefficient of variation

SD

standard deviation

PCT

Plateletcrit

MPV

mean platelet volume

PDW

platelet volume distribution width