Environmental and Health Effects of Benzene Exposure among Egyptian Taxi Drivers

Table 4

Complete blood count of the studied groups.

	Drivers (no. = 280)	Unexposed controls (no. = 120)	t-test	value
	Hemoglobin (gm/dl)	13.69 ± 1.95			13.99 ± 1.63	1.51	0.131
RBCs (×10^6/μl)	4.86 ± 0.56	4.93 ± 0.52	1.22	0.222
HCT (%)	39.38 ± 6.68	40.44 ± 4.60	1.58	0.113
MCV (fl)	82.43 ± 7.42	83.93 ± 7.21	1.87	0.062
MCH (pg)	26.77 ± 3.58	27.61 ± 2.25	2.82	0.005
MCHC (gm/dl)	33.90 ± 1.86	31.36 ± 0.75	19.34	<0.001
TLC (×10^3/μl)	6.90 ± 1.49	8.57 ± 1.91	8.52	<0.001
Platelets (×10^3/μl)	204.60 ± 56.49	266.06 ± 52.87	10.16	<0.001