Environmental Health and Preventive Medicine

Table 2 Hematological parameters of study participants

From: Assessment of hematological parameters of petrol filling workers at petrol stations in Gondar town, Northwest Ethiopia: a comparative cross-sectional study

		Study group (N = 55)		Control group (N = 55)
Hematological parameters	Category	Frequency	Percentage (%)	Frequency	Percentage (%)
WBC (× 10⁹/l)	Below normal	2	3.6	0	0
	Normal	45	81.8	55	100
	Above normal	8	14.5	0	0
RBC (× 10¹²/l)	Below normal	0	0	0	0
	Normal	55	100	55	100
	Above normal	0	0	0	0
Hb (g/dl)	Below normal	1	1.8	2	3.6
	Normal	52	94.6	52	94.6
	Above normal	2	3.6	1	1.8
Hct (%)	Below normal	1	1.8	3	5.4
	Normal	54	98.2	52	94.6
	Above normal	0	0	0	0
MCV (fl)	Below normal	26	47.3	6	10.9
	Normal	29	52.7	49	89.1
	Above normal	0	0	0	0
MCH (pg)	Below normal	4	7.3	0	0
	Normal	51	92.7	55	100
	Above normal	0	0	0	0
MCHC (%)	Below normal	0	0	0	0
	Normal	34	61.8	53	96.4
	Above normal	21	38.3	2	3.6
Platelet (× 10⁹/l)	Below normal	0	0	0	0
	Normal	55	100	100	100
	Above normal	0	0	0	0
Neutrophil (%)	Below normal	9	16.4	1	1.8
	Normal	44	80	50	90.9
	Above normal	2	3.6	4	7.3
Neutrophils absolute (× 10⁹/l)	Below normal	10	18.2	4	7.3
	Normal	38	69.1	43	78.2
	Above normal	7	12.7	8	14.5
Lymphocyte (%)	Below normal	0	0	2	3.6
	Normal	51	92.7	53	96.4
	Above normal	4	7.3	0	0
Lymphocytes absolute (× 10⁹/l)	Below normal	0	0	0	0
	Normal	54	98.2	55	100
	Above normal	1	1.8	0	0
Mixed cells (%)	Below normal	5	9.1	5	9.1
	Normal	31	56.4	40	72.7
	Above normal	19	34.5	10	18.2
Mixed absolute (× 10⁹/l)	Below normal	6	10.9	1	1.8
	Normal	39	70.9	50	90.9
	Above normal	10	18.2	4	7.3
RDW (%)	Below normal	2	3.6	4	7.3
	Normal	52	94.5	51	92.7
	Above normal	1	1.8	0	0

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